Quantum Physics Current Events

Quantum Physics Current Events, Quantum Physics News Articles.
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Quantum leap for Einstein's scientific principle
How Einstein's equivalence principle extends to the quantum world has been puzzling physicists for decades, but a team including a University of Queensland researcher has found the key to this question. UQ physicist, Dr Magdalena Zych from the ARC Centre of Excellence for Engineered Quantum Systems, and the University of Vienna's Professor Caslav Brukner have been working to discover if quantum objects interact with gravity only through curved space-time. (2018-08-20)

Filming quantic measurement for the first time
The measurement of a strontium ion lasts barely a millionth of a second but the researchers have managed to make a 'film' of the process by reconstructing the quantum state of the system at different moments. The results confirm one of the most subtle predictions in quantum physics. (2020-05-12)

Dirac Medal goes to Springer author Peter Zoller
Springer author Peter Zoller of the University of Innsbruck has been awarded the 2006 Dirac Medal of the International Centre for Theoretical Physics (ICTP) in Trieste, Italy. Zoller is honored for his work in atomic physics, including proposing the use of trapped ions for quantum computing. The Dirac Medal is one of the world's most prestigious physics prizes. (2006-08-31)

Quantum copies do new tricks
A paper published in Physical Review Letters (PRL), by Sadegh Raeisi, Wolfgang Tittel and Christoph Simon of the Institute for Quantum Information Science at the University of Calgary shows that it is possible to perfectly recover the original from the imperfect quantum copies. They also propose a way that his could be done in practice. (2012-03-22)

UCSB physicists demonstrate the quantum von Neumann architecture
A new paradigm in quantum information processing has been demonstrated by physicists at UC Santa Barbara. Their results are published in this week's issue of Science Express online. (2011-09-01)

'Elegance and Enigma'
Quantum mechanics is one of mankind's most remarkable intellectual achievements. Stunningly successful and elegant, it challenges our deepest intuitions about the world. In Elegance and Enigma, seventeen physicists and philosophers, all deeply concerned with understanding quantum mechanics, reply to Maximilian Schlosshauer's penetrating questions about the central issues. They grant us an intimate look at their radically different ways of making sense of the theory's strangeness. (2011-08-05)

Cooling a 'massive' solid-state nanoparticle into its quantum ground state
In a study probing the boundary between the classical and quantum worlds, researchers laser-cooled a tiny glass nanoparticle with the density of a solid object to a quantum state. (2020-01-30)

Quantum cats are hard to see
Researchers from the universities of Calgary and Waterloo in Canada and the University of Geneva in Switzerland have published a paper this week in Physical Review Letters explaining why we don't usually see the physical effects of quantum mechanics. (2011-12-16)

Understanding of complex networks could help unify gravity and quantum mechanics
Mathematicians investigating one of science's great questions -- how to unite the physics of the very big with that of the very small -- have discovered that when the understanding of complex networks such as the brain or the Internet is applied to geometry the results match up with quantum behavior. (2015-09-10)

'Quantum Chance': Book
'Quantum Chance,' a delightful and concise exposition, does not avoid the deep logical difficulties of quantum physics, but instead gives the reader the insights needed to appreciate them. From 'Bell's Theorem' to experiments in quantum entanglement, the renowned experimental physicist Nicolas Gisin provides a solid understanding of one of the most fascinating areas of contemporary physics. The Foreword to the book is written by Alain Aspect, whose pioneering experiments helped to confirm quantum nonlocality. (2014-09-01)

Can artificial intelligence solve the mysteries of quantum physics?
A new study published in Physical Review Letters by Prof. Shashua's computer science doctoral students at Hebrew University has demonstrated mathematically that algorithms based on deep neural networks can be applied to better understand the world of quantum physics, as well. (2019-03-12)

Toronto hosts quantum info and quantum control conference
The University of Toronto will host the world's leading scientists in physics, chemistry, computer science and mathematics to review major advances in quantum information and quantum control during a conference running Aug. 24-27. (2009-08-11)

Latest quantum field theory on graphene and topological insulators
The discovery of graphene and topological insulators realizes in the laboratory many exotic and non-perturbative phenomena proposed in the realm of high-energy physics and mathematics. The book 'Lecture notes on field theory in condensed matter physics' provides core knowledge to understand this exciting field of physics. (2014-07-08)

Quantum simulation more stable than expected
A localization phenomenon boosts the accuracy of solving quantum many-body problems with quantum computers which are otherwise challenging for conventional computers. This brings such digital quantum simulation within reach on quantum devices available today. (2019-04-12)

Hebrew University scientist one of four profiled in Nature in connection with Einstein centenary
Dr. Dorit Aharonov, of the Benin School of Engineering and Computer Science at the Hebrew University of Jerusalem, has been chosen by the science journal Nature as one of four young theorists being profiled in the current issue of the magazine to mark the 100th anniversary of Albert Einstein's publication of three of his landmark theories in 1905, when he was 26 years old. (2005-01-11)

Quantum computing with braids in flatland
Exotic anyon quasiparticles trapped in two dimensional sheets can entangle into braided structures that are less susceptible to the disturbances that disrupt individual quasiparticles in quantum computations. (2010-11-01)

How does a quantum particle see the world?
Researchers at the University of Vienna and the Austrian Academy of Sciences proved that whether an object (in our example, the ball) shows quantum features depends on the reference frame. The physical laws, however, are still independent of it. The results are published in Nature Communications. (2019-01-30)

Hartridge awarded Michelson Posdoctoral Prize
Michael Hartridge, a new professor at the University of Pittsburgh, won the 2015 Michelson Postdoctoral Prize for his work exploring how to make and control quantum electrodynamic systems. (2015-11-12)

'Seeing' the quantum world
Barry Sanders, director of the University of Calgary's Institute for Quantum Information Science, is hoping computer animation can help the public better understand quantum physics. Videos are published for the first time in the New Journal of Physics. For the first time, a detailed description on the making of Sanders' animation -- Solid State Quantum Computer in Silicon -- was published this month in the New Journal of Physics. (2008-12-17)

New research into light particles challenges understanding of quantum theory
Scientists have discovered a new mechanism involved in the creation of paired light particles, which could have significant impact on the study of quantum physics. Researchers at the University of East Anglia (UEA) have shown that when photons -- the fundamental particles of light -- are created in pairs, they can emerge from different, rather than the same, location. (2017-03-29)

Study reveals evidence that the universe is a hologram
The first observational evidence that the universe could be a hologram has been published in the journal Physical Review Letters. The international study may lead to new beliefs on the Big Bang Theory and on quantum gravity, one of theoretical physics' most profound problems. (2017-01-30)

New simulator is next step on the road to developing quantum computers
Scientists have proven theoretically a novel way to build a simulator that can recreate the way atoms and particles behave in a quantum system, says research published today. The proposed simulator is unique because it could let researchers control how individual particles move and interact with each other. This ability to control individual parts of a quantum system is key to the development of powerful quantum computers in the future. (2006-11-26)

Scientists demonstrate all-fiber quantum logic
A team of physicists and engineers have demonstrated all-fiber quantum logic, where single photons are generated and used to perform the controlled-NOT quantum logic gate in optical fibers with high fidelity. (2009-05-28)

Connecting the quantum and classical physics
Miles Blencowe, a quantum theorist with the Physics and Astronomy Department at Dartmouth, wrote the article (2004-04-01)

Quantum simulation with light: Frustrations between photon pairs
Researchers of the University of Vienna used a quantum mechanical system in the laboratory to simulate complex many-body systems. This experiment promises future quantum simulators enormous potential insights into unknown quantum phenomena. (2011-05-05)

Scientists 'film' a quantum measurement
Measuring a quantum system causes it to change -- one of the strange but fundamental aspects of quantum mechanics. Researchers at Stockholm University have now been able to demonstrate how this change happens. The results are published in the scientific journal Physical Review Letters. (2020-02-26)

Researchers discovered elusive half-quantum vortices in a superfluid
Researchers have discovered half-quantum vortices in superfluid helium. This vortex is a topological defect, exhibited in superfluids and superconductors, which carries a fixed amount of circulating current. These objects originally predicted to exist in superfluid helium in 1976. The discovery will provide access to the cores of half-quantum vortices, hosting isolated Majorana modes, exotic solitary particles. Understanding these modes is essential for the progress of quantum information processing, building a quantum computer. (2016-12-14)

Ranier Blatt wins Bell Prize for trailblazing quantum research
On Aug. 20th, 2015, world-renowned quantum physicist Rainer Blatt will be awarded a prestigious prize for his contributions to the development of quantum information technologies, during the Conference on Quantum Information and Quantum Control being held at the Fields Institute at the University of Toronto. (2015-08-10)

Straightening messy correlations with a quantum comb
Dong Yang and Jens Eisert of the University of Potsdam have shown how to delicately comb out a snarl of entanglements among many qubits while keeping the information intact. (2009-11-23)

Legacy of brilliant young scientist is a major leap in quantum computing
Researchers from the University of Bristol and Université Libre de Bruxelles have theoretically shown how to write programs for random circuitry in quantum computers. The breakthrough, published in the New Journal of Physics, is based on the work of first author, Dr. Nick Russell, who tragically lost his life in a climbing accident last year. (2017-03-07)

Faster than allowed by quantum computing?
Quantum computers are more powerful than classical computers since they work with coherent ''quantum bits'' instead of ordinary zeroes and ones. But could there be even more efficient ''science fiction computers''? Researchers from the Austrian Academy of Sciences and the University of Vienna have now shown that this is not possible. (2019-02-01)

New research shows that laser spectral linewidth is classical-physics phenomenon
New ground-breaking research from the University of Surrey could change the way scientists understand and describe lasers - establishing a new relationship between classical and quantum physics. (2020-07-10)

Quantum physics: New insights into the remote control of quantum systems
An international collaboration led by physicists of the University of Vienna shines new light on the question of the resources required for achieving quantum information processing. The scientists demonstrate that less demanding resources, which are easier to prepare and to control, can be used for quantum-enhanced technologies. In the experiment, which is published in Nature Physics, the researchers achieve remote quantum state preparation without requiring entanglement as a resource. (2012-08-06)

CCNY & partners in quantum algorithm breakthrough
Researchers led by City College of New York physicist Pouyan Ghaemi report the development of a quantum algorithm with the potential to study a class of many-electron quantums system using quantum computers. Their paper, entitled ''Creating and Manipulating a Laughlin-Type ν=1/3 Fractional Quantum Hall State on a Quantum Computer with Linear Depth Circuits,'' appears in the December issue of PRX Quantum, a journal of the American Physical Society. (2020-11-13)

Quantum systems correct themselves
Quantum devices allow us to accomplish computing and sensing tasks that go beyond the capabilities of their classical counterparts. However, protecting quantum information from being corrupted by errors is difficult. (2017-11-28)

International team of scientists says it's high 'NOON' for microwave photons
An important milestone toward the realization of a large-scale quantum computer, and further demonstration of a new level of the quantum control of light, were accomplished by a team of scientists at UC Santa Barbara and in China and Japan. (2011-02-14)

'Quantum magic' without any 'spooky action at a distance'
The quantum mechanical entanglement is at the heart of the famous quantum teleportation experiment and was referred to by Albert Einstein as (2011-06-24)

International award for Oriol Romero-Isart
Oriol Romero-Isart, University of Innsbruck, is awarded the QIPC Young Investigator Award 2015 for his seminal contributions to many interdisciplinary topics in quantum physics, this week in Leeds, Great Britain. This international award, valued at €4,000, goes to successful junior scientists and is awarded every two years. (2015-09-14)

Building a better qubit
The qubits that carry quantum information are typically fragile, but a new method of combing six photons leads to robust qubits that are immune to many of the affects that threaten to scramble quantum data. (2009-10-05)

Ultracold quantum particles break classical symmetry
Many phenomena of the natural world evidence symmetries in their dynamic evolution which help researchers to better understand a system's inner mechanism. In quantum physics, however, these symmetries are not always achieved. In laboratory experiments with ultracold lithium atoms, researchers from the Center for Quantum Dynamics at Heidelberg University have proven for the first time the theoretically predicted deviation from classical symmetry. (2019-08-09)

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