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Are coincidences real? – The Guardian

The rationalist in me knows that coincidences are inevitable, mundane, meaningless. But I cant deny there is something strange and magical in them, too

In the summer of 2021, I experienced a cluster of coincidences, some of which had a distinctly supernatural feel. Heres how it started. I keep a journal, and record dreams if they are especially vivid or strange. It doesnt happen often, but I logged one in which my mothers oldest friend, a woman called Rose, made an appearance to tell me that she (Rose) had just died. She had had another stroke, she said, and that was it. Come the morning, it occurred to me that I didnt know whether Rose was still alive. I guessed not. Shed had a major stroke about 10 years ago and had gone on to suffer a series of minor strokes, descending into a sorry state of physical incapacity and dementia.

I mentioned the dream to my partner over breakfast, but she wasnt much interested. We were staying in the Midlands at the time, in the house where Id spent my later childhood years. The place had been unoccupied for months. My father, Mal, was long gone, and my mother, Doreen, was in a care home, drifting inexorably through the advanced stages of Alzheimers. Wed just sold the property wed been living in, and there would be a few weeks delay in getting access to our future home, so the old house was a convenient place to stay in the meantime.

I gave no further thought to my strange dream until, a fortnight later, we returned from the supermarket to find that a note had been pushed through the letterbox. It was addressed to my mother, and was from Roses daughter, Maggie. Her mother, she wrote, had died two weeks ago. The funeral would be the following week. I handed the note to my partner and reminded her of my dream. Weird, she said, and carried on unloading the groceries. Yes, weird. I cant recall the last time Rose had entered my thoughts, and there she was, turning up in a dream with news of her own death.

So, what am I to make of this? Heres one interpretation: Rose died, and her disembodied spirit felt the need to tell me and found its way into my dream. Perhaps she had first tried to contact Doreen, but for one reason or another the impenetrable wreckage of a damaged brain? couldnt get through. Heres another interpretation: the whole chain of events occurred by sheer coincidence, a chance concatenation of happenings with no deeper significance. Theres nothing at all supernatural about it.

If you ask me which of those two interpretations I prefer, it would, unequivocally, be the second. But heres the thing. There is a part of me that, despite myself, wants to entertain the possibility that the world really does have supernatural dimensions. Its the same part of me that gets spooked by ghost stories, and that would feel uneasy about spending a night alone in a morgue. I dont believe the universe contains supernatural forces, but I feel it might. This is because the human mind has fundamentally irrational elements. Id go so far as to say that magical thinking forms the basis of selfhood. Our experience of ourselves and other people is essentially an act of imagination that cant be sustained through wholly rational modes of thought. We see the light of consciousness in anothers eyes and, irresistibly, imagine some ethereal self behind those eyes, humming with feelings and thoughts, when in fact theres nothing but the dark and silent substance of the brain. We imagine something similar behind our own eyes. Its a necessary illusion, rooted deep in our evolutionary history. Coincidence, or rather the experience of coincidence, triggers magical thoughts that are equally deep-rooted.

The term coincidence covers a wide range of phenomena, from the cosmic (in a total solar eclipse, the disc of the moon and the disc of the sun, by sheer chance, appear to have precisely the same diameter) to the personal and parochial (my granddaughter has the same birthday as my late wife). On the human, experiential, scale, a broad distinction can be drawn between serendipity timely, but unplanned, discoveries or development of events and what the 20th-century Lamarckian biologist and coincidence collector Paul Kammerer called seriality, which he defined as a lawful recurrence of the same or similar things or events in time and space.

The biography of the actor Anthony Hopkins contains a striking example of a serendipitous coincidence. When he first heard hed been cast to play a part in the film The Girl from Petrovka (1974), Hopkins went in search of a copy of the book on which it was based, a novel by George Feifer. He combed the bookshops of London in vain and, somewhat dejected, gave up and headed home. Then, to his amazement, he spotted a copy of The Girl from Petrovka lying on a bench at Leicester Square station. He recounted the story to Feifer when they met on location, and it transpired that the book Hopkins had stumbled upon was the very one that the author had mislaid in another part of London an advance copy full of red-ink amendments and marginal notes hed made in preparation for a US edition.

Hollywood provides another choice example of seriality. L Frank Baum was a prolific childrens author, best-known for The Wonderful Wizard of Oz (1900). He didnt live to see his novel turned into the iconic musical fantasy film, yet he reputedly had a remarkable coincidental connection with the movie. The actor Frank Morgan played five roles in The Wizard of Oz (1939), including the eponymous Wizard. He makes his first appearance in the sepia-toned opening sequences as Professor Marvel, a travelling fortune-teller. Movie lore says that, when it came to screen testing, the coat he was wearing was considered too pristine for an itinerant magician. So the wardrobe department was sent on a thrift-shop mission to find something more suitable, and returned with a whole closetful of possibilities. The one they settled on, a Prince Albert frock coat with a worn velvet collar, was a perfect fit for the actor. Only later was it apparently discovered that, sewn into the jacket was a label bearing the inscription: Made by Hermann Bros, expressly for L Frank Baum. Baum had died 20 years before the film was released, but the coats provenance was allegedly authenticated by his widow, Maud, who accepted it as a gift when the film was completed.

Some coincidences seem to contain an element of humour, as if engineered by a capricious spirit purely for its own amusement. Not long after first moving to Bath in 2016, I made a dash across the busy London Road, misjudged the height of the kerb on the other side, tripped, fell awkwardly and fractured my right arm. Over the next five years, I lived variously in Bath, rural Worcestershire and London. Soon after moving back to Bath on a more permanent basis, I noticed a stylish mahogany chair in the window of a charity shop on London Road, went straight in and bought it. I thought Id have no trouble lugging the chair back to my flat half a mile away, but it turned out to be heavier than I expected and awkward to carry. As I was crossing the road where Id had my fall, the chair slipped, crashed to the ground and splintered its right arm. Hear the chuckles of the coincidence imp.

While some coincidences seem playful, others feel inherently macabre. In 2007, the Guardian journalist John Harris set out on an intermittent rock-grave odyssey, visiting the last resting places of revered UK rock musicians. About halfway through, he went to the tiny village of Rushock in Worcestershire to gather thoughts at the headstone of the Led Zeppelin drummer John Bonham, who died at the age of 32 on 25 September 1980, after consuming a prodigious quantity of alcohol. A Guardian photographer had visited the grave a few days earlier to get a picture to accompany the piece. It was, writes Harris, an icy morning that gave the churchyard the look of a scene from The Omen, and, fitting with one of the key motifs of that film, the photographer was spooked by the appearance of an unaccompanied black dog, which urinates on the gravestone and then disappears. Black Dog (1971) happens to be the title of one of the most iconic songs in the Led Zeppelin catalogue.

If we picture a continuum of coincidences from the trivial to the extraordinary, both the Hopkins and the Baum examples would surely be located towards the strange and unusual end. My broken arms coincidence tends towards the trivial. Other still more mundane examples are commonplace. You get chatting to a stranger on a train and discover you have an acquaintance in common. Youre thinking of someone and, in the next breath they call you. You read an unusual word in a magazine and, simultaneously, someone on the radio utters the same word. Such occurrences might elicit a wry smile, but the weirder ones can induce a strong sense of the uncanny. The world momentarily seems full of strange forces.

Its a state of mind resembling apophenia a tendency to perceive meaningful, and usually sinister, links between unrelated events which is a common prelude to the emergence of psychotic delusions. Individual differences may play a part in the experience of such coincidences. Schizotypy is a dimension of personality characterised by experiences that in some ways echo, in muted form, the symptoms of psychosis, including magical ideation and paranormal belief. There is evidence to suggest that people who score high on measures of schizotypy may also be more prone to experiencing meaningful coincidences and magical thinking. Perhaps schizotypal individuals are also more powerfully affected by coincidence. Someone scoring high on measures of schizotypy would perhaps be more spooked by a death dream than I (a low scorer) was.

I have set naturalism and the supernatural in binary opposition, but perhaps there is a third way. Lets call it the supranatural stance. This was the position adopted, in different ways, by Kammerer, and by the Swiss psychologist Carl Jung. Arthur Koestlers The Roots of Coincidence (1972) introduced Kammerers work to the English-speaking world and was influential in reviving interest in Jungs ideas. Kammerer began recording coincidences in 1900, most of them mind-numbingly trivial. For example, he notes that, on 4 November 1910, his brother-in-law attended a concert, and number 9 was both his seat number and the number of his cloakroom ticket. The following day he went to another concert, and his seat and cloakroom ticket numbers were both 21.

Kammerers book Das Gesetz der Serie (1919), or The Law of Seriality, contains 100 samples of coincidences that he classifies in terms of typology, morphology, power and so on, with, as Koestler puts it, the meticulousness of a zoologist devoted to taxonomy. Kammerers big idea is that, alongside causality, there is an acausal principle at work in the universe, which, as Koestler puts it, acts selectively to bring similar configurations together in space and time. Kammerer sums things up as follows: We thus arrive at the image of a world-mosaic or cosmic kaleidoscope, which, in spite of constant shufflings and rearrangements, also takes care of bringing like and like together. Albert Einstein, for one, took Kammerer seriously, describing his book as original and by no means absurd.

The theory of synchronicity, or meaningful coincidence, proposed by Jung, follows a similar line. It took shape over several decades through a confluence of ideas streaming in from philosophy, physics, the occult and, not least, from the wellsprings of magical thinking that bubbled in the depths of Jungs own prodigiously creative and, at times, near-psychotic mind. Certain coincidences, he suggests, are not merely a random coming-together of unrelated events. They are connected acausally by virtue of their meaning. Synchronicity was the acausal connecting principle.

According to the physicist and historian of science Arthur I Millers book Deciphering the Cosmic Number: The Strange Friendship of Wolfgang Pauli and Carl Jung (2009), Jung considered this to be one of the best ideas he ever had, and cites Einstein as an influence. In the early years of the 20th century, Einstein was on several occasions a dinner guest at the Jung family home in Zurich, making a strong impression. Jung traces a direct link between those dinners with Einstein and his dialogue, 30 years later, with the Nobel prize-winning physicist Wolfgang Pauli, a dialogue that brought the concept of synchronicity to fruition.

Jungs collaboration with Pauli was an unlikely coalition: Jung, the quasi-mystic psychologist, a psychonaut whose deep excursions into his own unconscious mind he deemed the most significant experiences of his life; and Pauli, the hardcore theoretical physicist who was influential in reshaping our understanding of the physical world at its subatomic foundations. Following his mothers suicide and a brief, unhappy marriage, Pauli suffered a psychological crisis. Even as he was producing his most important work in physics, he was succumbing to bouts of heavy drinking and getting into fights.

Pauli turned for help to Jung, who happened to live nearby. His therapy involved the recording of dreams, a task at which Pauli proved remarkably adept, being able to remember complex dreams in exquisite detail. Jung also saw an opportunity: Pauli was a willing guide to the arcane realm of subatomic physics; and furthermore, Pauli saw Jungs theory of synchronicity as a way of approaching some fundamental questions in quantum mechanics not least the mystery of quantum entanglement, by which subatomic particles may correlate instantaneously, and acausally, at any distance. From their discussions emerged the Pauli-Jung conjecture, a form of double-aspect theory of mind and matter, which viewed the mental and the physical as different aspects of a deeper underlying reality.

Jung was the first to bring coincidences into the frame of psychological inquiry, and made use of them in his analytic practice. He offers an anecdote about a golden beetle as an illustration of synchronicity at work in the clinic. A young woman is recounting a dream in which she was given a golden scarab, when Jung hears a gentle tapping at the window behind him and turns to see a flying insect knocking against the windowpane. He opens the window and catches the creature as it flies into the room. It turns out to be a rose chafer beetle, the nearest analogy to a golden scarab that one finds in our latitudes. The incident proved to be a transformative moment in the womans therapy. She had, says Jung, been an extraordinarily difficult case on account of her hyper-rationality and, evidently, something quite irrational was needed to break her defences. The coincidence of the dream and the insects intrusion was the key to therapeutic progress. Jung adds that the scarab is a classic example of a rebirth symbol with roots in Egyptian mythology.

Whereas Kammerer hypothesised impersonal, acausal factors intersecting with the causal nexus of the universe, Jungs acausal connecting principle was enmeshed with the psyche, specifically with the archetypes of the collective unconscious. Jungs archetypes are primordial structures of the mind common to all human beings. Resurrecting an ancient term, he envisioned an unus mundus, a unitary or one world, in which the mental and physical are integrated, and where the archetypes are instrumental in shaping both mind and matter. Its a bold vision, but where, we are bound to ask, is the evidence for any of this? There is more than a grain of plausibility in the suggestion that archetypal structures have an influence in shaping thought and behaviour. But the entire universe? Pauli aside, the idea of synchronicity received little support from the wider scientific community.

Contemporary cognitive science offers a more secure, if less colourful, conceptual framework for making sense of the experience of coincidence. We are predisposed to encounter coincidences because their detection, it might be said, reflects the basic modus operandi of our cognitive and perceptual systems. The brain seeks patterns in the flow of sensory data it receives from the world. It infuses the patterns it detects with meaning and sometimes agency (often misplaced) and, as a part of this process, it forms beliefs and expectations that serve to shape future perceptions and behaviour. Coincidence, in the simple sense of co-occurrence, informs pattern-detection, especially in terms of identifying causal relationships, and so enhances predictability. The world does not simply present itself through the windowpanes of the eyes and channels of the other senses. The brains perceptual systems are proactive. They construct a model of the world by continually attempting to match incoming, bottom-up sensory data with top-down anticipations and predictions. Raw sensory data serve to refine the brains best guesses as to whats happening, rather than building the world afresh with each passing moment. The brain, simply put, is constantly on the lookout for coincidence.

From a wide-ranging survey of psychological and neurocognitive research, Michiel van Elk, Karl Friston and Harold Bekkering conclude that the overgeneralisation of such predictive models plays a crucial part in the experience of coincidence. Primed by deeply ingrained cognitive biases, and ill-equipped to make accurate estimates of chance and probability, we are innately inclined to see (and feel) patterns and connections where they simply dont exist. Innately inclined because, in evolutionary terms, the tendency to over-detect coincidences is adaptive. Failure to detect contingencies between related events for example, rustling in the undergrowth/proximity of a predator is generally more costly than an erroneous inference of a relationship between unrelated events. Another driver of coincidence is what the linguist Arnold Zwicky calls the frequency illusion, a term that originated in a blogpost but has since found its way into the Oxford English Dictionary:

Van Elk and his colleagues were not the first to signal the unreliability of intuitive judgments of probability as a factor in the perception of coincidence. Various authors before them such as Stuart Sutherland in his book Irrationality (1992) have suggested that paranormal beliefs, including the belief that some coincidences are supernatural, arise because of failures of intuitive probability. The so-called birthday problem, a staple of introductory classes in probability theory, reliably exposes the flaws of our intuitions. It asks what is the likelihood that two people will share a birthday in randomly selected groups. Most people are surprised to learn that a gathering of only 23 people is required for the chances of two of them sharing a birthday to exceed 50%. Id been meaning for some time to try a simple empirical exercise involving deathdays to mirror the birthday problem. When I found myself again staying briefly at my parents old house, a short drive from Rushock, I decided I would use Bonhams grave as the starting point for my research, for no reason other than the vague pull of that black dog story.

His headstone is easy to locate, festooned as it is with drumsticks and cymbals left as offerings by the many pilgrims who make their way to the shrine from around the world. The grave lies in the shade of a spreading, blue-needled conifer and, to the right, theres a row of three other graves so just four graves in total (there is also a small, sandcastle-like monument at the base of the tree trunk, which I discounted for lack of name and dates). The plan was to conduct a self-terminating search. Starting with Bonhams headstone, and with my notebook in hand, I would inspect the other graves in the row and then the rows behind and in front, working my way methodically around the graveyard, until I found any two matching dates of death, but my mission ended almost as soon as it had begun. I needed to go no further than the four graves (with five occupants) in Bonhams row. The occupants of the two on the right shared 29 September as their date of death (21 years apart). I wish I could report that the mysterious black dog made an appearance, but it didnt.

Turning to the probability of dream coincidences, suppose for the sake of argument that the probability of a dream coincidentally matching real-world events is 1 in 10,000, and that only one dream per night is remembered. The probability of a matching dream on any given night is 0.0001 (ie, 1 in 10,000), meaning that the probability of a non-matching dream is 0.9999. The probability of two consecutive nights with non-matching dreams is 0.9999 x 0.9999. The probability of having non-matching dreams every night for a whole year is 0.9999 multiplied by itself 365 times, which is 0.9642. Rounding up, this means that there is a 3.6% chance of any given person having a dream that matches or predicts real-world events over the course of a year. Over a period of 20 years, the odds of having a matching/precognitive dream would be greater than even.

Rose, the woman in the death dream I experienced, was 90 years old, and the chances of a 90-year-old woman in the UK dying before her 91st birthday are around one in six, which is to say, not unlikely. Given her medical history, the likelihood that Rose would die before her 91st birthday was probably much greater than that. But why should I dream about her in the first place? Its true, I hadnt been consciously thinking about Rose, but, staying in my childhood home, there would have been many implicit reminders. She used to live close by, and came to our house often. Also, visiting my ailing mother more often than usual at her care home would have me thinking about death at both conscious and unconscious levels, and perhaps (unconsciously) about her friendship with Rose.

Attempts at understanding coincidence thus range from extravagant conjectures conceiving of acausal forces influencing the fundamental workings of the universe, to sober cognitive studies deconstructing the basic mechanisms of the mind. But there is something else to consider. Remarkable coincidences happen because, well, they happen, and they happen without inherent meaning and independently of the workings of the pattern-hungry brain. As the statistician David Hand puts it, extremely improbable events are commonplace. He refers to this as the improbability principle, one with different statistical strands, including the law of truly large numbers, which states that: With a large enough number of opportunities, any outrageous thing is likely to happen. Every week, there are many lottery jackpot winners around the globe, each with odds of winning at many millions to one against. And, in defiance of truly phenomenal odds, several people have won national and state lottery jackpots on more than one occasion.

I am a naturalist, but coincidences give me a glimpse of what the supernaturalist sees, and my worldview is briefly challenged. Soon, though, for good or ill, I am back on my usual track. One final coincidence story: it was a warm afternoon in mid-June, and I was feeling sorry for myself. My partner had walked out on me just the week before, and I thought a good way to deal with self-pity would be to launch into a new project. I would do some research into the psychology of coincidence. I settled in an armchair surrounded by books and articles on the subject, including Koestlers The Roots of Coincidence. Among other things, Id been reading his account of Jungs golden scarab story.

In need of coffee, I set Koestler aside and went to the kitchen, returning to find, set squat on the back of my armchair, a golden beetle, a rose chafer like the one that had made its way through the window of Jungs consulting room. It must have flown in through the wide-open balcony door. I quickly took a picture in case the insect took flight again, and then nudged it on to my palm to return it to the wild, but it simply rolled on to its back and lay motionless. Dead.

I sent the picture to my ex, and asked how she was doing. She didnt reply, but later that evening called with unsettling news. Zoe, an acquaintance of ours, had that afternoon killed herself. My brain by now was in magical thinking mode, and I said I couldnt help but link Zoes death to the appearance, and death, of the golden beetle. I didnt believe there was a link, of course, but I felt there might be. There was something else at the back of my mind. In Greek mythology, all that king Midas touched turned to gold. His daughters name was Zoe, and she too was turned to gold.

Ah, but rose chafers are quite common in the south of England; they are active in warm weather; the balcony opens out on a water meadow (a typical rose chafer habitat); et cetera. And it has since been suggested to me that the beetle was quite likely playing dead rather than truly dead. Perhaps, after Id thrown it back out on to the meadow, there was a rebirth of the kind these creatures are said to symbolise.

Weird, though.

This article was originally published on aeon.co

Follow the Long Read on Twitter at @gdnlongread, listen to our podcasts here and sign up to the long read weekly email here.

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Are coincidences real? - The Guardian

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Backscattering protection in integrated photonics is impossible with … – EurekAlert

image:The figure shows a scanning electron microscope image of one of the photonic waveguides studied by the DTU researchers. The waveguide is formed at the edge between two photonic topological insulators (blue and red) which are realized in nanoscale silicon membranes. It has been predicted that light propagating in such topological waveguides is immune to backscattering on structural defects, but this was never investigated experimentally. For the first time, the DTU team checked this in an experiment and found the opposite: strong backscattering. Credit: C. A. Rosiek. view more

Credit: Credit: C. A. Rosiek.

The field of integrated photonics has taken off in recent years. These microchips utilise light particles (photons) in their circuitry as opposed to the electronic circuits that, in many ways, form the backbone of our modern age. Offering improved performance, reliability, energy efficiency, and novel functionalities, integrated photonics has immense potential and is fast becoming a part of the infrastructure in data centres and telecom systems, while also being a promising contender for a wide range of sensors and integrated quantum technologies.

Significant improvements in nanoscale fabrication have made it possible to build photonic circuits with minimal defects, but defects can never be entirely avoided, and losses due to disorder remains a limiting factor in todays technology. Minimising these losses could, for example, reduce the energy consumption in communication systems and further improve the sensitivity of sensor technology. And since photonic quantum technologies rely on encoding information in fragile quantum states, minimising losses is essential to scale quantum photonics to real applications. So the search is on for new ways to reduce the backscattering, or even prevent it entirely.

A one-way street for photons is impossible today

One suggestion for minimising the loss of photons in an integrated photonic system is to guide the light through the circuit using topological interfaces that prevent backscattering by design.

"It would be very nice if it were possible to reduce losses in these systems. But fundamentally, creating such a one-way street for photons is a tough thing to do. In fact, as of right now, it is impossible; to do this in the optical domain would require developing new materials that do not exist today," says Associate Professor Sren Stobbe, Group Leader at DTU Electro.

Circuitry built from topological insulators would, in theory, force photons to keep moving forward, never backward. The backwards channel would simply not exist. While such effects are well-known in niche electronics and have been demonstrated with microwaves, they have yet to be shown in the optical domain.

But full topological protection is impossible in silicon and all other low-loss photonic materials, because they are subject to time-reversal symmetry. This means that whenever a waveguide allows transmitting light in one direction, the backwards path is also possible. This means that there is no one-way street for photons in conventional materials, but researchers have hypothesized that a two-way street would already be good enough to prevent backscattering.

"There has been a lot of work trying to realise topological waveguides in platforms relevant for integrated photonics. One of the most interesting platforms is silicon photonics, which uses the same materials and technology that make up todays ubiquity of computer chips to build photonic systems, and even if disorder cannot be entirely eliminated, perhaps backscattering can," says Sren Stobbe.

New experimental results from DTU recently published in Nature Photonics strongly suggest that with the materials available today, this likely will not happen.

State-of-the-art waveguides offer no protection

Although several previous studies have found that it may be possible to prevent backscattering based on various indirect observations, rigorous measurements of the losses and the backscattering in topological waveguides were so far missing. The central experiments conducted at DTU were performed on a highly well-characterised state-of-the-art type of silicon waveguide, showing that even in the best waveguides available, the topological waveguides show no protection against backscattering.

"We fabricated the best waveguide obtainable with current technologyreporting the smallest losses ever seen and reaching minute levels of structural disorderbut we never saw topological protection against backscattering. If the two-way topological insulators protect against backscattering, they would only be effective at disorder levels below what is possible today," says PhD-student Christian Anker Rosiek.

He conducted most of the fabrication, experiments and data analysis along with postdoc Guillermo Arregui, both at DTU Electro.

"Measuring the losses alone is crucial, but not enough, because losses can also come from radiation out of the waveguide. We can see from our experiments that the photons get caught in little randomly located cavities in the waveguide as if many of tiny mirrors had been randomly placed in the lights path. Here, the light is reflected back and forth, scattering very strongly on those defects. It shows that the backscattering strength is high, even in a state-of-the-art system, proving that backscattering is the limiting factor," says Guillermo Arregui.

Waveguide-material should break time-reversal symmetry

The study concludes that, for a waveguide to offer protection against backscattering, you would need the topological insulator to be constructed from materials that break time-reversal symmetry without absorbing light. Such materials do not exist today.

"We are not ruling out that protection from backscattering can work, and absence of evidence must not be confused with evidence of absence. There is plenty of exciting research to be explored within topological physics, but moving forward, I believe researchers should take great care in measuring losses when presenting new topological waveguides. That way, we will get a clearer picture of the true potential of these structures. Suppose someone does indeed develop new, exotic materials that allow only propagation in one direction, our study has established the tests needed to claim real protection against backscattering.," says Christian Anker Rosiek.

Observation of strong backscattering in valley-Hall photonic topological interface modes

10-Apr-2023

The authors declare no competing interests.

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.

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Think AI is scary now? Wait till it gets boosted by quantum computing – New York Post

Lifestyle

By Alex Mitchell

April 12, 2023 | 6:35pm

Creeped out by ChatGPT? Frightened of a future where artificial intelligence replaces the real thing? Brace yourself, because here comes quantum computing.

The developing technology which relies on subatomic, quantum mechanics could accelerate the advancement of AI to lightning speed, experts say.

Such a powerful upgrade could lead to amazing things or terrible ones.

We could cure cancer with quantum computing combined with AI, Lisa Palmer, chief AI strategist for the consulting firm AI Leaders told The Post. There is a huge upside here like upgrading from a bicycle to a high speed sports car.

In the wrong hands, however, that kind of power could be devastating to society especially when it comes to hacking.

One of the worst cases is that it can be detrimental to financial systems in the hands of bad actors, Palmer said. A data breach could happen for every bank account in their entire system.

The revolutionary technology uses subatomic quantum bits, aka qubits, for data processing. It replaces the conventional approach of using binary bits like zeros and ones for data. The approach is significantly faster and more efficient to a point where the possibilities are infinite.

Using quantum computing, we can simulate the physical world in a way that is much, much faster, Pengcheng Shi, associate dean in the department of computing and information sciences at Rochester Institute of Technology, told The Post.

The turbocharged tech has seen major investments from companies like IBM, who have put $20 billion behind the rapidly evolving machinery. Google is an investor as well.

And while quantum computing is still in its infancy, it wont be for long.

Palmer speculates that it could see practical use in three to five years. IBM is already on pace for a substantial breakthrough by 2026 as well, Forbes reported.

Once mature, the technology will likely yield outstanding breakthroughs in the field of medicine particularly in accelerating pharmacology and the development of medications, according to Shi.

The professor also predicts that quantum computing will likely play a major role in space exploration, particularly in the use of mapping for optics such as the Webb telescope.

Beyond breakneck speed, quantum can also substantially increase quality in AI and make it more creative, according to AI expert and CUNY Queens College professor Jamie Cohen.

Currently, AI such as ChatGPT, or generative image AI programs like Midjourney is limited by its machine output processing and, like people, becomes fatigued to a point where it impacts performance.

The reason why Bing limited its AI, Sydney, to five prompts is because its answers are more degenerative each time that could all change with quantum computing, Cohen told The Post, adding that one day it might be able to train itself.

No matter what happens, theres a silver lining, experts say: Computer users everywhere can look forward to the end of pesky, time-consuming two-factor authentication, which in the face of the power and speed of quantum will be about as effective as taping a door shut to keep it locked.

Standard encryption today is going to be crushed by the quantum computers forget about two-factor authentication, Shi said, noting that the super rapid processors will render the tool obsolete, while offering greater protection through deeper, more efficient encryption.

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Innovating quantum computers with fluxonium processors – EurekAlert

The next generation of quantum devices requires high-coherence qubits that are less error-prone. Responding to this need, researchers at the Advanced Quantum Testbed (AQT) at Berkeley Lab, a state-of-the-art collaborative research laboratory funded by the U.S. Department of Energy Office of Science, developed a blueprint for a novel quantum processor based on fluxonium qubits. Fluxonium qubits can outperform the most widely used superconducting qubits, offering a promising path toward fault-tolerant universal quantum computing.

In collaboration with researchers from the University of California, Berkeley, and Yale University, the AQT team pioneered a systematic theoretical study of how to engineer fluxonium qubits for higher performance while offering practical suggestions to adapt and build the cutting-edge hardware that will fully harness the potential of quantum computing. PRX Quantum published their results in August 2022.

Superconducting quantum processors consist of multiple qubits designed to have different transition frequencies facilitating precise control of individual qubits and their interactions. The transmon qubit, one of the most widely used in the field for superconducting processors, typically has low anharmonicity. Anharmonicity is the difference between relevant transition frequencies in a qubit. Low anharmonicity contributes to spectral crowding (when qubit frequencies are close to resonating with each other), making the processor more difficult to control since qubit frequencies are arranged tightly together. In contrast, high anharmonicity allows researchers to have better qubit control because theres less overlap between the frequencies that control the qubits and those that drive any given qubit to higher energy levels. The fluxonium qubit has inherent advantages for complex superconducting processors, such as high anharmonicity, long coherence times, and simple control.

Building on AQTs robust research and development history on superconducting circuits, the team leading the fluxonium-based architecture focused on the scalability and adaptability of the processors main components, with a set of parameters that researchers can tune to increase the runtime and fidelity of quantum circuits. Some of these adaptations allow simpler operation of the system. Researchers proposed, for example, controlling the fluxonium qubits at low frequency (1-GHz) via microwave pulses directly generated by an electrical arbitrary waveform generator. This straightforward approach allows researchers to design processors and set up multiple qubits flexibly.

Long B. Nguyen is a project scientist at AQT and the papers lead author. Nguyen started researching alternative superconducting qubits as a University of Maryland graduate student working with Professor Vladimir Manucharyan. Manucharyan introduced fluxonium qubits to the field just a decade earlier, and in 2019 Nguyen demonstrated the possible longer coherence times with fluxonium circuits. The fluxonium circuit is composed of three elements: a capacitor, a Josephson Junction, and a superinductor, which helps suppress magnetic flux noise a typical source of unwanted interference that affects superconducting qubits and causes decoherence.

I always wanted to study new physics, and I focused on fluxonium because it appeared to be a better alternative to the transmon at the time. It has three circuit elements that I could play with to get the type of spectra I wanted. It could be designed to evade decoherence due to material imperfections. I also recently realized that scaling up fluxonium is probably more favorable since the estimated fabrication yield is high, and the interactions between individual qubits can be engineered to have high-fidelity, explained Nguyen.

To estimate and validate the performance of the proposed fluxonium blueprint, the team at AQT, in collaboration with the papers researchers, simulated two types of programmable quantum logic gates the cross-resonance controlled-NOT (CNOT) and the differential ac-Stark controlled-Z (CZ). The high fidelities resulting from the gates simulation across the range of proposed qubit parameters validated the teams expectations for the suggested blueprint.

We provided a potential path towards building fluxonium processors with standard, practical procedures to deploy logic gates with varying frequencies. We hope that more R&D on fluxonium and superconducting qubit alternatives will bring about the next generation of devices for quantum information processing, said Nguyen.

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Founded in 1931 on the belief that the biggest scientific challenges are best addressed by teams, Lawrence Berkeley National Laboratory and its scientists have been recognized with 16 Nobel Prizes. Today, Berkeley Lab researchers develop sustainable energy and environmental solutions, create useful new materials, advance the frontiers of computing, and probe the mysteries of life, matter, and the universe. Scientists from around the world rely on the Labs facilities for their own discovery science. Berkeley Lab is a multiprogram national laboratory, managed by the University of California for the U.S. Department of Energys Office of Science.

DOEs Office of Science is the single largest supporter of basic research in the physical sciences in the United States, and is working to address some of the most pressing challenges of our time. For more information, please visit energy.gov/science.

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.

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Sweden and Finland make advances in quantum computing – ComputerWeekly.com

Finland and Sweden are leading the Nordic charge in rolling out important new advances in separate quantum computer projects.

In Sweden, Chalmers University of Technology (Chalmers UoT) has secured an additional 9m (SEK 102m) in funding to build and make available a copy of its quantum computer to the countrys IT industry.

Across the Gulf of Bothnia, the VTT Technical Research Centre of Finland has completed the spin-out of SemiQon, a startup launched to develop more affordable and scalable quantum computers utilising newly created semiconductor qubit technology. SemiQon is backed by a pre-seeding deal with deep-tech investor Voima Ventures.

The special conditions under which new capital funding, provided by the Knut and Alice Wallenberg Foundation (Wallenberg Foundation), is being released to Chalmers UoT marks a significant development in the quantum computing venture. The institution is required, under the terms of the funding, to share the benefits arising from the research, knowledge building and commercial stages of the project with Sweden s IT industry and tech research organisations.

Chalmers UoT is currently investigating the scope and framework needed to make research and knowledge universally available to beneficiary external interest groups. The new funding will be used to build a quantum computer that features a quantum helpdesk to enable companies and researchers to solve problems using quantum technology, a powerful resource that lies far beyond the reach of the best conventional supercomputers.

Specific to the Chalmers UoT, the current evolution in quantum technologies and engineering, where computers excel at optimisation tasks such as solving complex logistical issues, is moving at pace to the next stage of decoding and finding solutions for world-scale challenges. These may include accurately modelling viruses and drugs or presenting solutions to address critical issues connected to climate change.

The Wallenberg Foundation, through the Wallenberg Centre for Quantum Technology (WACQT) has become a significant player in the development of the Chalmers UoTs quantum computing project, which was launched in 2018. The core goals of the project, backed by a broad research programme, are concentrated on building Swedish expertise within the main branches of quantum technology; namely quantum computing and simulation, quantum communications and quantum sensing.

The Chalmers UoTs quantum computer currently functions at 25 qubits. The scope of ambition for an upgrade is to reach 40 qubits by 2026, and its target of 100 qubits by 2029. At 25 qubits, the computer can be used to run quantum algorithms. However, time available for such exercises is limited against the backdrop where the quantum computer machine is in an almost constant state of development.

The quantum computer copy we are building will be made available as a test bed for companies and researchers to run algorithms. The mission is to raise Swedens competence level in quantum technology and lower the threshold for using quantum computers, said Per Delsing, director of WACQT and a professor at Chalmers.

The test beds support function, the quantum helpdesk, is primarily intended as a navigation tool to help users reorder problems to executable quantum algorithms.

Adding further value, the test bed platform is being designed to provide appraisal and pilot study equipment for companies engaged in developing quantum technology components. In real terms, the text bed platform will allow IT companies and other technology-based organisations to optimise algorithms for hardware.

Under the current plan, the Chalmers UoTs test-bed is scheduled to open its components test equipment in 2024 alongside the Quantum Helpdesk support platform. The project team, based on this timetable, envisage the quantum computer to open for running algorithms in 2025.

This works on the concept that users wont need a lot of advance knowledge. Companies will present problems that they believe can be solved by a quantum computer. The Quantum Helpdesk will provide the help they need from that juncture, Delsing said.

The Chalmers UoTs project managers, said Delsing, are acutely aware of quantum computing related developments on the global stage piloted by commercial actors, some of whom have made quantum computers available via the cloud.

Backed by WACQT, Chalmers UoT is striving to develop a test-bed that will be significantly cheaper to both access and exploit for users in Sweden, Delsing said.

A major difference between our quantum computing project and ones being developed internationally is the level of transparency we have about whats under the hood of our quantum computers. Being able to optimise algorithms for hardware increases the odds of successful computations, said Delsing.

In Finland, the expansion of VTTs footprint in the quantum computer space has resulted in the state research organisation spinning out SemiQon under a pre-seeding capital funding agreement with Voima Ventures, one of Finlands leading deep technology-investors.

SemiQon was established by VTT to create more affordable and scalable quantum computers that are easier to manufacture and can function in warmer temperatures utilising new semiconductor qubit technology.

With Voima Ventures onboard providing key funding, SemiQon is building a new type of quantum processor chip produced from silicon semiconductors. This contrasts with contemporary approaches which are predominantly based on non-standard materials.

The next stage in SemiQons journey is to make quantum computers significantly more capable of solving some of the worlds greatest challenges, said Himadri Majumdar, the CEO of SemiQon.

The solutions we offer respond to three major challenges currently slowing down the development of quantum computers globally their scalability, price, and sustainability,Majumdar said.

The new technology being developed by SemiQon, Majumdar, will enable the company to fabricate quantum processors in a way that supports scaling up manufacturing efficiencies while simultaneously lowering costs.

The chips we manufacture allows the quantum computer to operate at warmer temperatures. As a result, the process requires only a fraction of the energy needed for alternative solutions, said Majumdar.

Potentially, the quantum computing research programme being run by SemiQon could lead to the building of quantum processors that require millions of qubits for fault-tolerant operation, said Jussi Sainiemi, a partner at Voima Ventures.

Despite the fact that globally, the vast majority of quantum investments have addressed superconducting and other qubit technologies, silicon semiconductor qubit technology is still underfunded despite not being burdened with the scalability challenges that many other technologies face, Sainiemi said.

SemiQons technology has the potential to have a far-reaching impact on the quantum computing sphere, paving the way to a truly scalable and sustainable quantum chip.

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XMA HOSTS SENATOR HASSAN TO EXPLORE THE FUTURE OF … – Maggie Hassan

(Manchester, NH | April 12, 2023) XMA Corporation was excited to welcome back New Hampshire Senator Maggie Hassan to their Manchester-based design and manufacturing headquarters. Senator Hassan was given a full tour of the facility, including their industry leading thin film lab.

During her visit, Senator Hassan was welcomed by top XMA leadership: Marc Smith, Presidentand CEO; Peter Richard, General Manager; Mark Higgins, Director of Operations; and Del Pierson, Quantum Product Line Manager, and team. It was an honor to host a current New Hampshire Senator, former state Governor, and dedicated public servant to our Manchester manufacturing facility.

XMA has been a key partner for quantum developers as they scale up and enhance their technology. Reaching quantum advantage will unlock answers to many of todays complex challenges, including online security, chemical simulation and drug discovery, traffic control, and weather forecasting.

We take pride in our manufacturing facility, operations and team, and it was a privilege to share our contributions to quantum innovation with Senator Hassan, said Peter Richard, General Manager, when asked of the visit. We provided Senator Hassan with an update on our transformational growth and discussed current and future needs to continue to positively impact our local and national interests.

XMA is an innovative New Hampshire business that supports our national security and economy by helping quantum computing companies to expand their capabilities, said Senator Hassan. Todays tour and discussion, as well as my visits last week with leading quantum experts, emphasized the urgent need to invest more in quantum research and development. Doing so will strengthen our national security, bolster our cyber defenses, and ensure that America remainson the cutting edgeof innovation.

About XMA Corporation

XMA Corporation-Omni Spectra is a Manufacturer of Passive Microwave Components. With Design and Manufacturing in the United States, XMA supplies products of the highest quality to exacting specifications to the Military, Aerospace, Test, Measurement, and Commercial markets. For more information on XMA Corporation, visit https://xmacorp.com/.

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3 Quantum Computing Stocks to Buy that are in the Sweet Spot – InvestorPlace

As the market heats up, investors are looking for the best quantum computing stocks to buy.

Quantum computing is evolving at breakneck speed. Fortune Business Insights predicts that the worldwide quantum computing industry will grow to $4.76 trillion by 2030 from $712 billion in 2022.

Quantum computing, often referred to as supercomputers, promises to have far reaching impacts on our daily lives, from advancing machine learning and helping to develop new medications to creating ultra efficient batteries and enhancing cybersecurity.

The convergence of A.I. and quantum computing is expected to take us places that, until now, have only been imagined in the realm of science fiction. Here are three quantum computing stocks to buy sitting in the sweet spot.

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Started by academics at the University of Maryland and Duke University, IonQ (NYSE:IONQ) is a smaller quantum computing company developing the hardware and software that powers supercomputers.

Powered by the hype around artificial intelligence and growing expectations for quantum computing technology, IONQ stock has risen 107% so far this year doubling its share price.

Still in start-up mode, IonQ posted fourth quarter 2022 revenue of $3.8 million, and full-year revenue of $11.1 million. While that might seem like small potatoes, the companys revenue grew five fold between 2021 and 2022.

IonQs stock jumped 31% higher the day after its latest earnings print was made public. While IonQ remains unprofitable, it has more than $500 million in cash on hand that it plans to use to scale its quantum computing business.

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Honeywell (NASDAQ:HON) may not seem like an obvious choice when discussing quantum computers.

After all, the company is primarily an industrial manufacturer that makes products ranging from aerospace equipment to medical devices. However, Honeywell is increasingly a technology company and its diverse operating units include a growing one focused on quantum computing.

Honeywell has developed its own quantum computer that it employs for research with its industrial partners.

Honeywells push into quantum computing is getting a big boost from the companys plans to spin off Honeywell Quantum Services as a separate, standalone entity and merge it with privately held start-up Cambridge Quantum Computing.

Once the merger is complete, Honeywell will remain the controlling shareholder of the new firm. HON stock is up a slight 2% over the last 12 months following a 10% rally during the past six months. Over the past five years, the companys share price has increased nearly 40%.

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Legacy technology company International Business Machines Corp. (NYSE:IBM) has undergone a lot of changes in recent years. It spun off its managed infrastructure business into Kyndryl(NYSE:KD) and repositioned itself largely as a cloud computing firm.

However, one thing that hasnt changed is IBMs commitment to supercomputing. The company runs IBM Quantum, a division that is focused on building quantum computers for commercial and scientific applications.

IBM has long been a pioneer in the area of quantum computing and supercomputers, and was the first company to bring quantum computing to the cloud back in 2016. IBM also hosts an annual Quantum Summit.

At last years event, the company introduced Osprey, the largest quantum processor currently available. Osprey is being integrated into IBMs most powerful quantum computing system yet, called Quantum System Two, that the company plans to launch in this years second half.

IBM stock is up 3% over the last 12 months after an 11% gain in the previous six months.

On the date of publication, Joel Bagloledid not have (either directly or indirectly) any positions in the securities mentioned in this article.The opinions expressed in this article are those of the writer, subject to the InvestorPlace.comPublishing Guidelines.

Joel Baglole has been a business journalist for 20 years. He spent five years as a staff reporter at The Wall Street Journal, and has also written for The Washington Post and Toronto Star newspapers, as well as financial websites such as The Motley Fool and Investopedia.

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4 Learnings at the Intersection of Blockchain and Quantum Computing from Entrust Engage – Security Boulevard

After diving into the science of quantum computing in the second episode, the Entrust Engage podcast moves toward the world of blockchain and the impact of quantum computing on it in the third episode. Providing commentary on this topic was Jon Geater, Chief Product and Technology Officer at RKVST, and Pali Surdhar, Director of Product Security at Entrust. The intersection of blockchain and quantum computing is quite fascinating, and thats exactly what this episode explores. Here are the four key things I learned from this conversation:

#1: What is blockchain?

Before we go further into how quantum computing impacts blockchain, its important to have a foundational understanding of just what this technology is. As this episode explains, blockchain is ledger-based, decentralized, and built on high-integrity cryptography. It features two crucial properties: Control is spread around to a number of participants, and accountability is shared and decentralized. Built on the foundation of cryptography and fair-access principles, blockchain ensures fair access, good control, and knowledge of trustworthiness of the data.

#2: Is blockchain at risk from quantum computing?

In blockchain, the threat from quantum computing has more to do with the integrity of historic ledger records than the decryption of data. If a bad actor was able to back-date data and effectively rewrite history by leveraging quantum computing, it would break the blockchain principle of ensuring the truthfulness of data.

While this could be a potential vulnerability in the future, at present blockchain happens to be partially quantum-resistant already. Even if the technology were to be compromised, it could only happen at one point in time, in one place, on one computer, and in one piece of memory. And then after that, the computer must convince the other participants in the consensus that this is the correct version of history to accept. In a sense, the decentralized nature of blockchain networks has some built-in quantum resistance.

#3: In that case, does blockchain need to be prepared to mitigate risk?

Theres a significant overlap between whats being required by regulatory bodies and the capabilities of blockchain-based architecture. Since theres already some resistance in blockchain to quantum attacks, is there any urgency to transition to quantum-safe techniques? This can depend on the use case, but the answer is probably yes.

In blockchain, if the use case involves a confidentiality requirement, key exchanges are occurring, and there exists the same vulnerability as in the wider internet. Another important consideration is the data inside the blocks themselves; users need to make sure the chain references or digests cant be faked. Thats another situation in which it is useful to have quantum-resistant algorithms deployed.

#4: When should blockchain prepare for the quantum threat?

To paraphrase our experts: Prepare now but know youre not alone. Blockchain creates accountability for its shared infrastructure. Blockchain users would be wise to update their cryptography and transition their algorithms to quantum-safe options as outlined by NIST. They exist in a community; the best advice is for users to come to a consensus about protecting assets and joint histories for the road ahead.

To hear all about the intersection of blockchain and quantum computing, have a listen to the third episode of Entrust Engage. For more information on post-quantum cryptography and how to prepare, check out our Post-Quantum Preparedness webpage.

The post 4 Learnings at the Intersection of Blockchain and Quantum Computing from Entrust Engage appeared first on Entrust Blog.

*** This is a Security Bloggers Network syndicated blog from Entrust Blog authored by Lavanya Suvarna. Read the original post at: https://www.entrust.com/2023/04/4-learnings-at-the-intersection-of-blockchain-and-quantum-computing-from-entrust-engage/

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Post-digital technologies and national security: challenge and … – Roll Call

At the same time, the security of computer systems, networks, and devices from cyberattacks by state and nonstate hackers, foreign and domestic, is also of increasing importance to the public and thus to the government, which now spends $10 billion on cybersecurity. Ensuring the integrity of social media from manipulation by hostile actors has also become a matter of national security. Tracking and anticipating movements of people, drugs, and extreme weather are more crucial than ever for public security.

In the face of these perils, three post-digital technologies are especially important: artificial intelligence, of course; quantum computing and communications; and networked satellite systems. Each is inherently dual-use, with great commercial value and potential to enhance national security.

AI is the most advanced in market penetration because it has been around the longest. Still, a 2022 Brookings report found that the government market for AI remains immature, but with rapid growth likely to come. Nearly all federal government expenditures on AI are for professional, technical, and scientific services, of which 87 percent of contract value is with DOD.

The AI industry serving the government unlike established defense contractors that furnish large platforms and weapons is highly fragmented, which means opportunity for startups and private sector innovators. Technology vendors come in all shapes and sizes, yet only 62 of them have more than one contract, while 245 have just one each.

Interest in and funding for networked space systems is of course mainly at NASA and DODs Space Force. That industry is made up of established systems integrators (for example: Boeing, Raytheon, Lockheed Martin) and private sector space system and services providers (for example: SpaceX).

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Andreas Glatz named Presidential Research, Scholarship and … – NIU Today

NIU Physics Professor Andreas Glatz is working to meet the demands of an ongoing technological revolutionone that requires a keen understanding of the quantum world, where the normal rules of physics and nature fly out the window.

In the quantum or subatomic realm, electrons are particlesand waves. A subatomic particle can be both here and theresimultaneously. Two particles that are far apart can instantly interact with each othersomething Einstein called spooky actions at a distance.

In this otherworldly world, Glatz applies a unique combination of skills acquired in his training in the most advanced methods of modern theoretical physics. As both a theorist and computational scientist, he develops pioneering high-performance-computing methodologies and models requiring complex algorithms to simulate the subatomic-level interactions and phases of matter, such as liquid to solid, or superconductivity.

As a result, Professor Glatz expands our understanding of the fundamental properties of matter, paving the way for development of new materials, devices and areas of research.

Recognizing his past achievements and future promise, NIU has awarded Glatz with the 2023 Presidential Research, Scholarship and Artistry Professorship.

The professorship is NIUs top recognition for outstanding research or artistry. It has been given out annually since 1982 to select faculty in recognition and support of NIUs research and artistic mission. Award winners receive special financial support of their research for four years, after which they carry the title ofDistinguished Research Professor.

Glatz, who holds a joint appointment with the U.S. Department of Energys Argonne National Laboratory, is internationally renowned for his work in superconductivity, computational physics and condensed-matter physicsall areas that involve keen knowledge of the quantum realm.

Andreas talent to solve sophisticated problems in theoretical physics utilizing state-of-the-art computational and analytical methods are exceptional., says Wai-Kwong Kwok, a senior scientist at Argonne. His research has driven several new approaches to elucidate and to enhance the applicability of superconductors, and his new foray into soft condensed matter physics has already led to new concepts that will impact current and future research in this area.

Professor Glatz, who has directed five Ph.D. dissertations, frequently involves post-doctoral and graduate students from NIU and other universities in his research. He has authored nearly 100 scientific papers, published in prestigious scientific journals. He also has been a principal or co-principal investigator on grants totaling nearly $20 million.

In recent years, his unique skillset has allowed Glatz to turn his attention to quantum information science and its applications.

Scientific understanding of the rules of quantum mechanicsthe fundamental theory in physics describing the behavior of microscopic particlesenabled the invention of transistors which are the building blocks of modern (binary) computers. That was the first quantum revolution. Now scientists say were in the midst of a second that will allow scientists to control the quantum state of matter which further has enabled the development of novel technologies such as quantum computing devices.

Using his expertise in modelling and simulation, Glatz is actively using quantum computers to solve problems in quantum physics.

Currently, we are in the middle of a worldwide second quantum revolution, which promises the exploitation of quantum mechanics to create the next generation of computers, sensors and devices, says NIU Omar Chmaissem, a distinguished research professor of physics. Dr. Glatzs expertise poises him to become one of the leaders in this imminent second quantum revolution.

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