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Current Quantum information News and Events

Current Quantum information News and Events, Quantum information News Articles.
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Quantum interference in service of information technology
Scientists from the Faculty of Physics, University of Warsaw, in collaboration with the University of Oxford and the NIST agency, have shown that quantum interference enables processing of large sets of data faster and more accurately than with standard methods. (2019-07-19)
200 times faster than ever before: the speediest quantum operation yet
A group of physicists at UNSW Sydney have built a super-fast version of the central building block of a quantum computer. (2019-07-17)
A graphene superconductor that plays more than one tune
Researchers at the US Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a graphene device that's thinner than a human hair but has a depth of special traits. (2019-07-17)
Limitation exposed in promising quantum computing material
Physicists have theorized that a new type of material, called a three-dimensional (3-D) topological insulator (TI), could be a candidate to create qubits for quantum computing due to its special properties. (2019-07-16)
Researchers build transistor-like gate for quantum information processing -- with qudits
Purdue University researchers are among the first to build what could be a quantum version of a transistor -- with qudits. (2019-07-16)
Coupled exploration of light and matter
In quasiparticles known as polaritons, states of light and matter are strongly coupled. (2019-07-15)
NIST's quantum logic clock returns to top performance
The quantum logic clock -- perhaps best known for showing you age faster if you stand on a stool -- has climbed back to the leading performance echelons of the world's experimental atomic clocks. (2019-07-15)
Robert Alfano team identifies new 'Majorana Photons'
Hailed as a pioneer by Photonics Media for his previous discoveries of supercontinuum and Cr tunable lasers, City College of New York Distinguished Professor of Science and Engineering Robert R. (2019-07-15)
Which is the perfect quantum theory?
For some phenomena in quantum many-body physics several competing theories exist. (2019-07-12)
Engineers revolutionize molecular microscopy
Engineers of the University of Magdeburg have developed a method for measuring the electrical potentials of molecules and molecular surfaces with previously unattainable precision and speed. (2019-07-11)
Dresden physicists use nanostructures to free photons for highly efficient white OLEDs
Thanks to intensive research in the past three decades, organic light-emitting diodes (OLEDs) have been steadily conquering the electronics market -- from OLED mobile phone displays to roll-out television screens, the list of applications is long. (2019-07-11)
NIST's compact atomic gyroscope displays new twists
Researchers at the National Institute of Standards and Technology (NIST) have upgraded their compact atomic gyroscope to enable multitasking measurement capabilities and measure its performance, important steps toward practical applications. (2019-07-11)
The best of both worlds: how to solve real problems on modern quantum computers
Researchers at the US Department of Energy's (DOE) Argonne National Laboratory and Los Alamos National Laboratory, along with researchers at Clemson University and Fujitsu Laboratories of America, have developed hybrid algorithms to run on size-limited quantum machines and have demonstrated them for practical applications. (2019-07-11)
Strange warping geometry helps to push scientific boundaries
Princeton researchers have built an electronic array on a microchip that simulates particle interactions in a hyperbolic plane, a geometric surface in which space curves away from itself at every point. (2019-07-11)
Quantum sensor breakthrough using naturally occurring vibrations in artificial atoms
A team of scientists, led by the University of Bristol, have discovered a new method that could be used to build quantum sensors with ultra-high precision. (2019-07-10)
Terahertz technology escapes the cold
The group of Jérôme Faist in the Department of Physics at ETH Zurich achieved the first realization of a terahertz quantum cascade laser operating without cryogenic cooling. (2019-07-10)
Puzzling on a quantum chessboard
Physicists at the University of Innsbruck are proposing a new model that could demonstrate the supremacy of quantum computers over classical supercomputers in solving optimization problems. (2019-07-10)
US Naval Research Laboratory 'connects the dots' for quantum networks
Researchers at the US Naval Research Laboratory developed a novel technique that could enable new technologies that use properties of quantum physics for computing, communication and sensing, which may lead to 'neuromorphic' or brain-inspired computing. (2019-07-09)
Characterizing the 'arrow of time' in open quantum systems
Even in the strange world of open quantum systems, the arrow of time points steadily forward -- most of the time. (2019-07-09)
Researchers discover semiconducting nanotubes that form spontaneously
EPFL researchers have discovered a way of making semiconducting, photoluminescent nanotubes form spontaneously in liquid solutions. (2019-07-08)
Pairing 'glue' for electrons in iron-based high-temp superconductors studied
Newly published research from a team of scientists led by the US Department of Energy's Ames Laboratory sheds more light on the nature of high-temperature iron-based superconductivity. (2019-07-08)
Mechanical vibration generated by electron spins
Micro mechanical elements are indispensable components of modern electrical devices but the actuation of them requires electrical current. (2019-07-02)
A new path to understanding second sound in Bose-Einstein condensates
There are two sound velocities in a Bose-Einstein condensate. In addition to the normal sound propagation there is second sound, which is a quantum phenomenon. (2019-07-02)
Generation and sampling of quantum states of light in a silicon chip
Scientists from the University of Bristol and the Technical University of Denmark have found a promising new way to build the next generation of quantum simulators combining light and silicon micro-chips. (2019-07-02)
Redefining the limits of measurement accuracy
Scientists at the QUEST Institute at Leibniz University, Hannover, and the Physikalisch-Technische Bundesanstalt, have, together with colleagues in Florence, Italy, introduced a method based on a non-classical state adapted to two measurement parameters at once. (2019-07-02)
High brightness mid-infrared laser expands horizon of spectroscopic analytical technique
Researchers have used an extremely bright mid-infrared laser to perform an analytical technique known as spectroscopic ellipsometry. (2019-07-02)
Researchers cast neural nets to simulate molecular motion
New work from Los Alamos National Laboratory, the University of North Carolina at Chapel Hill, and the University of Florida is showing that artificial neural nets can be trained to encode quantum mechanical laws to describe the motions of molecules, supercharging simulations potentially across a broad range of fields. (2019-07-02)
Simulating quantum systems with neural networks
A new computational method, based on neural networks, can simulate open quantum systems with unprecedented versatility. (2019-07-01)
Theoretical physicists unveil one of the most ubiquitous and elusive concepts in chemistry
Even if we study them at school, oxidation numbers have so far eluded any rigorous quantum mechanical definition. (2019-07-01)
World's smallest MRI performed on single atoms
IBS-QNS researchers have made a major scientific breakthrough by performing the world's smallest magnetic resonance imaging (MRI). (2019-07-01)
Physicists use light waves to accelerate supercurrents, enable ultrafast quantum computing
Iowa State's Jigang Wang and a team of collaborators have discovered that terahertz light -- light at trillions of cycles per second -- can act as a control knob to accelerate supercurrents. (2019-07-01)
Researchers teleport information within a diamond
Researchers from the Yokohama National University have teleported quantum information securely within the confines of a diamond. (2019-06-28)
New material shows high potential for quantum computing
A joint team of scientists at the University of California, Riverside, and the Massachusetts Institute of Technology is getting closer to confirming the existence of an exotic quantum particle called Majorana fermion, crucial for fault-tolerant quantum computing -- the kind of quantum computing that addresses errors during its operation. (2019-06-28)
Applying pressure is way toward generating more electricity from waste heat
The ability of a thermoelectric material to produce electricity from waste heat was improved more than twofold by a Japan-based research team led by Osaka University. (2019-06-27)
A peculiar ground-state phase for superconductor NbSe2 -- It's a Bose metal!
The application of large enough magnetic fields results in the disruption of superconducting states in materials even at drastically low temperature, thereby changing them directly into insulators -- or so was traditionally thought. (2019-06-27)
Discovered: A new property of light
Researchers have discovered that light can possess a new property, self-torque. (2019-06-27)
Order from chaos: Australian vortex studies are first proof of decades-old theory
Two Australian studies published this week offer the first proof of a 70-year-old theory of turbulence. (2019-06-27)
Researchers verify 70-year-old theory of turbulence in fluids
Pilots and air travellers know turbulence can be powerful, but science has struggled to fully explain the phenomenon. (2019-06-27)
New Zealand and Australian researchers observe 70-year-old prediction, with wide-reaching effects
As you stir milk into a cup of coffee, you will see fluid turbulence in action -- rapid mixing that has defied deep scientific understanding. (2019-06-27)
Experiment reverses the direction of heat flow
A study led by Brazilian scientists used quantum correlations to make heat flow from a colder to a hotter medium without adding external energy, affording a deeper understanding of the second law of thermodynamics. (2019-06-27)
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