Popular Quantum Computing News and Current Events

Popular Quantum Computing News and Current Events, Quantum Computing News Articles.
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X-ray imaging with a significantly enhanced resolution
Physicists from Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Deutsches Elektronen-Synchrotron (DESY, Hamburg) have come up with a method that could significantly improve the quality of X-ray images in comparison to conventional methods. Incoherent diffractive imaging (IDI) could help to image individual atoms in nanocrystals or molecules faster and with a much higher resolution. (2017-08-14)

Speed of light: Toward a future quantum internet
University of Toronto Engineering researchers have demonstrated proof-of-principle for a device that could serve as the backbone of a future quantum Internet. U of T professor Hoi-Kwong Lo and his collaborators have developed a prototype for a key element for all-photonic quantum repeaters, a critical step in long-distance quantum communication. (2019-01-28)

NIST chip lights up optical neural network demo
Researchers at the National Institute of Standards and Technology (NIST) have made a silicon chip that distributes optical signals precisely across a miniature brain-like grid, showcasing a potential new design for neural networks. (2018-07-26)

Cooling by laser beam
A laser pulse that for a few picoseconds transforms a material into a high-temperature superconductor. Different experiments have unveiled this interesting phenomenon, with potential applicative implications. Research carried out by SISSA scientists a year ago had already provided several basic principles of the phenomenon. A new study published on (2018-06-08)

A look into the fourth dimension
In our daily experience space has three dimensions. Recently, however, a physical phenomenon that only occurs in four spatial dimensions could be observed in two experiments. The theoretical groundwork for those experiments was laid by an ETH researcher. (2018-01-04)

New quantum system could help design better spintronics
Researchers have created a new testing ground for quantum systems in which they can literally turn certain particle interactions on and off, potentially paving the way for advances in spintronics. (2019-01-29)

Light-based processors boost machine-learning processing
An international team of scientists have developed a photonic processor that uses rays of light inside silicon chips to process information much faster than conventional electronic chips. Published in Nature, the breakthrough study was carried out by scientists from EPFL, the Universities of Oxford, Münster, Exeter, Pittsburgh, and IBM Research - Zurich. (2021-01-06)

Beyond Einstein
Theoretical physicists have been questioning if black hole singularities exist through complex mathematical equations over the past several decades with little success until now. LSU Department of Physics & Astronomy Associate Professor Parampreet Singh and collaborators LSU Postdoctoral Researcher Javier Olmedo and Abhay Ashtekar, the Eberly Professor of Physics at Penn State developed new mathematical equations that go beyond Einstein's theory of general relativity overcoming its key limitation -- the central singularity of black holes. (2018-12-20)

Quantum momentum
Occasionally we come across a problem in classical mechanics that poses particular difficulties for translation into the quantum world. A new mathematical model published in EPJ D has provided some insights into one of them: momentum. The model uses another classical concept, that of time-of-flight. (2019-08-07)

New device could help answer fundamental questions about quantum physics
Researchers have developed a new device that can measure and control a nanoparticle trapped in a laser beam with unprecedented sensitivity. (2018-12-13)

2-D tin (stanene) without buckling: A possible topological insulator
An international research team led by Nagoya University synthesized planar stanene: 2-D sheets of tin atoms, analogous to graphene. Tin atoms were deposited onto the Ag(111) surface of silver. The stanene layer remained extremely flat, unlike in previous studies wherein stanene was buckled. This leads to the formation of large area, high quality samples. Stanene is predicted to be a topological insulator, with applications in quantum computing and nanoelectronics. (2018-01-19)

NUS scientist develops 'toolboxes' for quantum cybersecurity
A quantum information scientist from the National University of Singapore has developed efficient 'toolboxes' comprising theoretical tools and protocols for quantifying the security of high-speed quantum communication. (2017-12-08)

Army project brings quantum internet closer to reality
A US Army research result brings the quantum internet a step closer. Such an internet could offer the military security, sensing and timekeeping capabilities not possible with traditional networking approaches. (2019-09-26)

Virginia Tech researchers lead breakthrough in quantum computing
A team of Virginia Tech chemistry and physics researchers have advanced quantum simulation by devising an algorithm that can more efficiently calculate the properties of molecules on a noisy quantum computer. (2019-07-25)

A CERN for climate change
In a Perspective article appearing in this week's Proceedings of the National Academy of Sciences, Tim Palmer (Oxford University), and Bjorn Stevens (Max Planck Society), critically reflect on the present state of Earth system modelling. (2019-12-02)

Optical magnetic field sensor can detect signals from the nervous system
The human body is controlled by electrical impulses in the brain, the heart and nervous system. These electrical signals create tiny magnetic fields, which doctors could use to diagnose various diseases, for example diseases of the brain or heart problems in young fetuses. Researchers from the Niels Bohr Institute have now succeeded in developing a method for extremely precise measurements of such ultra-small magnetic fields with an optical magnetic field sensor. The results are published in the scientific journal, Scientific Reports. (2016-07-15)

Controlling quantum interactions in a single material
By demonstrating that multiple quantum interactions can coexist and be controlled in a single material, researchers open the door for ultrafast, low-power electronics and quantum computers. (2018-02-05)

Finding Majoranas
Nano-'hashtags' could be the key to generating the highly sought Majorana quasiparticle. (2017-11-16)

UNIST researchers develop silicon chip-based quantum photonic devices
An international team of researchers, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has presented a core technology for quantum photonic devices used in quantum information processing. Their work has been published in the November issue of the prestigious journal, Nano Letters. (2017-12-12)

Lightning-fast communications
Researchers from the University of Utah have discovered that a special kind of perovskite, a combination of an organic and inorganic compound that has the same structure as the original mineral, can be layered on a silicon wafer to create a vital component for the communications system of the future. That system would use the terahertz spectrum, the next generation of communications bandwidth that uses light instead of electricity to shuttle data. (2017-11-06)

Researchers achieve multifunctional solid-state quantum memory
Research team from CAS Key Lab of Quantum Information developed multi-degree-of-freedom multiplexed solid-state quantum memory and demonstrate photon pulse operation functions with time and frequency degree-of-freedoms. (2018-08-24)

A novel test bed for non-equilibrium many-body physics
The behavior of electrons in a material is typically difficult to predict. Novel insight comes now from experiments and simulations performed by a team led by ETH physicists who have studied electronic transport properties in a one-dimensional quantum wire containing a mesoscopic lattice. (2018-03-30)

Chemists from the MSU have explained the origin of the green fluorescence
The members of the Faculty of Chemistry of the Lomonosov Moscow State University in cooperation with Danish molecular physicists have revealed the mechanism, determining the sensitivity of the green fluorescent protein to light exposure. The scientists have proved that an isolated chromophore group is capable of emitting light outside the protein environment, while the protein function is to enhance its fluorescent properties. (2017-09-06)

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)

Argonne to install Comanche system to explore ARM technology for HPC
Argonne National Laboratory is collaborating with Hewlett Packard Enterprise (HPE) to provide system software expertise and a development ecosystem for a future high-performance computing (HPC) system based on 64-bit ARM processors. (2017-11-17)

Optical tweezers steer a chemical reaction from just 2 atoms
Highlighting the fine level of control modern chemists possess, researchers have trapped two single atoms -- sodium and cesium -- in separate 'optical tweezers' and then maneuvered them together, resulting in a single molecule of sodium cesium (NaCs) with unique properties. (2018-04-12)

Simulation and experiment help TU Dresden researchers study next-generation semiconductors
Researchers at TU Dresden are refining methods for studying next-generation organic semiconductors by using a combination of experiments and supercomputing resources at the Leibniz Supercomputing Centre. (2018-03-08)

Twisted physics
A new study in the journal Nature shows that superconductivity in bilayer graphene can be turned on or off with a small voltage change, increasing its usefulness for electronic devices. (2019-10-30)

A step closer to quantum computers: NUS researchers show how to directly observe quantum spin effects
A team led by Associate Professor Yang Hyunsoo from the National University of Singapore Faculty of Engineering has found a practical way to observe and examine the quantum effects of electrons in topological insulators and heavy metals. This could later pave the way for the development of advanced quantum computing components and devices. (2018-07-16)

2D topological physics from shaking a 1D wire
Published in Physical Review X, this new study propose a realistic scheme to observe a 'cold-atomic quantum Hall effect.' (2019-10-03)

IBM-EPFL-NJIT team demonstrates novel synaptic architecture for brain inspired computing
Two New Jersey Institute of Technology (NJIT) researchers, working with collaborators from the IBM Research Zurich Laboratory and the École Polytechnique Fédérale de Lausanne, have demonstrated a novel synaptic architecture that could lead to a new class of information processing systems inspired by the brain. (2018-07-10)

Scientific education through films?
Magic swords, wands, cauldrons and cloaks of invisibility do not exist in reality. In contrast, it is possible that scenarios like crashed aircrafts looming out of the mists of an alien planet, patients being snatched from the jaws of death by a risky medical breakthrough, or smug murderers who are betrayed by a few molecules left at the scene of crime are part of our current or future reality. (2016-01-28)

Electron behavior under extreme conditions described for the first time
Researchers have modeled the actions of electrons under extreme temperatures and densities, such as those found within planets and stars. (2017-10-06)

The atomic dynamics of rare everlasting electric fields
Researchers have discovered the atomic mechanisms that give the unusual material yttrium manganite its rare magnetic and electric properties. All it took was ricocheting neutrons off the atoms of a sample of the material heated to 3,000 degrees Fahrenheit. (2018-01-10)

Lead dressed like gold
Princeton researchers have taken a different approach to alchemists' ancient goal to transmute elements by making one material behave that another. Using computational methods, they demonstrate that any two systems can be made to look alike, even if just for the flash of a laser pulse. (2017-02-28)

Exploring the realistic nature of the wave function in quantum mechanics
The wave function is central in quantum mechanics and describes the quantum state of microscopic objects. But what the wave function essentially represents is still in debate. Now researchers in Tsinghua University proposed and experimentally realized an encounter-delay-choice experiment to demonstrate the realistic interpretation for the wave function. This will be helpful to unlock the mysteries of the wave function, and deepen our understanding of quantum mechanics. (2018-01-04)

What to do with the data?
Rapid advances in computing constantly translate into new technologies in our everyday lives. The same is true for high-energy physics. The field has always been an early adopter of new technologies, applying them in ever more complex experiments that study fine details of nature's most fundamental processes. (2016-12-08)

Diamonds coupled using quantum physics
Researchers at TU Wien have succeeded in coupling the specific defects in two such diamonds with one another. This is an important prerequisite for the development of new applications, such as highly sensitive sensors and switches for quantum computers. (2017-04-10)

Breakthrough with a chain of gold atoms
The precise control of electron transport in microelectronics makes complex logic circuits possible that are in daily use in smartphones and laptops. (2017-02-17)

The ultimate green technology
Imagine patterning and visualizing silicon at the atomic level, something which, if done successfully, will revolutionize the quantum and classical computing industry. A team of scientists in Edmonton, Canada has done just that, led by a world-renowned physicist and his up-and-coming protégé. (2017-02-13)

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