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Current Quantum physics News and Events

Current Quantum physics News and Events, Quantum physics News Articles.
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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)
Optical shaping of polarization anisotropy in a laterally-coupled-quantum-dot dimer
Coupled-quantum-dot (CQD) structures are considered to be an important building block in the development of scalable quantum devices. (2020-07-10)
Orbital engineering of quantum confinement in high-Al-content AlGaN quantum well
Recently, professor Kang's group focus on the limitation of quantum confine band offset model, the hole states delocalization in high-Al-content AlGaN quantum well are understood in terms of orbital intercoupling. (2020-07-10)
The spin state story: Observation of the quantum spin liquid state in novel material
The quantum spin liquid (QSL) state is an exotic state of matter where the spin of electrons, which generally exhibits order at low temperatures, remains disordered. (2020-07-09)
Surprisingly many peculiar long introns found in brain genes
In a recent study of genes involved in brain functioning, their previously unknown features have been uncovered by bioinformaticians from the Moscow Institute of Physics and Technology and the Institute of Mathematical Problems of Biology, RAS. (2020-07-09)
Looking at linkers helps to join the dots
Understanding the optimal process for fabricating coupled nanocrystal solids could help researchers to improve optoelectronics devices. (2020-07-09)
Cosmic cataclysm allows precise test of general relativity
In 2019, the MAGIC telescopes detected the first Gamma Ray Burst at very high energies. (2020-07-09)
AI enables efficiencies in quantum information processing
A new machine learning framework could pave the way for small, mobile quantum networks. (2020-07-09)
Magnetic memory states go exponential
Researchers showed that relatively simple structures can support exponential number of magnetic states - much greater than previously thought - and demonstrated switching between the states by generating spin currents. (2020-07-09)
Researchers find safeguards for quantum communications
Army researchers developed a new way to protect and safeguard quantum information, moving quantum networks a step closer to reality. (2020-07-08)
Porous graphene ribbons doped with nitrogen for electronics and quantum computing
A team of physicists and chemists has produced the first porous graphene ribbons in which specific carbon atoms in the crystal lattice are replaced with nitrogen atoms. (2020-07-08)
Scaling up the quantum chip
MIT researchers have developed a process to manufacture and integrate 'artificial atoms,' created by atomic-scale defects in microscopically thin slices of diamond, with photonic circuitry, producing the largest quantum chip of its type. (2020-07-08)
Quantum classifiers with tailored quantum kernel?
Quantum information scientists have introduced a new method for machine learning classifications in quantum computing. (2020-07-07)
On-chip spin-Hall nanograting for simultaneously detecting phase and polarization singularities
A plasmonic spin-Hall nanograting structure that simultaneously detects both the polarization and phase singularities of the incident beam is reported. (2020-07-07)
Excitation of robust materials
So-called topological materials have special electronic properties, which are very robust against external perturbations. (2020-07-07)
Scientists create new device to light up the way for quantum technologies
Researchers at CRANN and the School of Physics at Trinity College Dublin, Ireland, have created an innovative new device that will emit single particles of light, or photons, from quantum dots that are the key to practical quantum computers, quantum communications, and other quantum devices. (2020-07-07)
Machine learning helps grow artificial organs
Researchers from the Moscow Institute of Physics and Technology, Ivannikov Institute for System Programming, and the Harvard Medical School-affiliated Schepens Eye Research Institute have developed a neural network capable of recognizing retinal tissues during the process of their differentiation in a dish. (2020-07-07)
Cooling mechanism increases solar energy harvesting for self-powered outdoor sensors
Thermoelectric devices, which use the temperature difference between the top and bottom of the device to generate power, offer some promise for harnessing naturally occurring energy. (2020-07-07)
Portable system boosts laser precision, at room temperature
Physicists at MIT have designed a quantum ''light squeezer'' that reduces quantum noise in an incoming laser beam by 15 percent. (2020-07-07)
'Growing' active sites on quantum dots for robust H2 photogeneration
Chinese researchers had achieved site- and spatial- selective integration of earth-abundant metal ions in semiconductor quantum dots (QDs) for efficient and robust photocatalytic H2 evolution from water. (2020-07-07)
Contest between superconductivity and insulating states in Magic Angle Graphene
A team of ICFO researchers, in collaboration with scientists from MIT, NIMS (Japan), and Imperial College London, develop a set of entirely novel knobs to control correlated electrons and demonstrate that superconductivity can exist without insulating phases in Magic Angle Twisted Bi-layer Graphene. (2020-07-07)
A 'breath of nothing' provides a new perspective on superconductivity
Zero electrical resistance at room temperature? A material with this property, i.e. a room temperature superconductor, could revolutionize power distribution. (2020-07-06)
Low-threshold topological nanolasers based on the second-order corner state
Topological lasers are immune to imperfections and disorder, which are mostly at microscale. (2020-07-06)
2D semiconductors found to be close-to-ideal fractional quantum hall platform
Columbia University researchers report that they have observed a quantum fluid known as the fractional quantum Hall states (FQHS), one of the most delicate phases of matter, for the first time in a monolayer 2D semiconductor. (2020-07-06)
High-order synthetic dimensions in waveguide photonic lattices
In the recent work, scientists from Max-Born-Institute have shown that a multitude of high-dimensional synthetic lattices naturally emerge in (abstract) photon-number space when a multiport photonic lattice is excited by N indistinguishable photons. (2020-07-06)
Atomic 'Swiss army knife' precisely measures materials for quantum computers
Scientists at the National Institute of Standards and Technology (NIST) have developed a novel instrument that can make three kinds of atom-scale measurements simultaneously. (2020-07-06)
USTC obtained high-level control of spin qubit lifetime based on silicon quantum dots
This work was published in Physics Review Letter on June 23th, 2020, and was selected as Editors' Suggestion. (2020-07-05)
Towards lasers powerful enough to investigate a new kind of physics
In a paper that made the cover of the journal Applied Physics Letters, an international team of researchers has demonstrated an innovative technique for increasing the intensity of lasers. (2020-07-03)
A new way towards super-fast motion of vortices in superconductors discovered
An international team of scientists from Austria, Germany and Ukraine has found a new superconducting system in which magnetic flux quanta can move at velocities of 10-15 km/s. (2020-07-03)
A path to new nanofluidic devices applying spintronics technology
Japanese scientists have elucidated the mechanism of the hydrodynamic power generation using spin currents in micrometer-scale channels, finding that power generation efficiency improves drastically as the size of the flow is made smaller. (2020-07-02)
Science fiction becomes fact -- Teleportation helps to create live musical performance
A new study by the University of Plymouth explains for the first time how quantum supercomputers could be helpful in the world of making and performing music (2020-07-02)
Tabletop quantum experiment could detect gravitational waves
Tiny diamond crystals could be used as an incredibly sensitive and small gravitational detector capable of measuring gravitational waves, suggests new UCL-led research. (2020-07-01)
Building a harder diamond
Scientists at the University of Tsukuba create a theoretical carbon-based material that would be even harder than diamond. (2020-07-01)
Quantum fluctuations can jiggle objects on the human scale
A team led by researchers at MIT LIGO Laboratory has measured the effects of quantum fluctuations on objects at the human scale. (2020-07-01)
Light from inside the tunnel
Steering and monitoring the light-driven motion of electrons inside matter on the time-scale of a single optical cycle is a key challenge in ultrafast light wave electronics and laser-based material processing. (2020-06-30)
Spider silk can create lenses useful for biological imaging
Spider silk is useful for a variety of biomedical applications: It exhibits mechanical properties superior to synthetic fibers for tissue engineering, and it is not toxic or harmful to living cells. (2020-06-30)
Respiratory droplet motion, evaporation and spread of COVID-19-type pandemics
It is well established the COVID-19 virus is transmitted via respiratory droplets. (2020-06-30)
Quantum physics provides a way to hide ignorance
Students can hide their ignorance and answer questions correctly in an exam without their lack of knowledge being detected by teachers -- but only in the quantum world. (2020-06-29)
Researchers control elusive spin fluctuations in 2D magnets
A Cornell team developed a new imaging technique that is fast and sensitive enough to observe these elusive critical fluctuations in two-dimensional magnets. (2020-06-29)
Rice lab's bright idea is pure gold
Rice University physicists discover that plasmonic metals can be prompted to produce ''hot carriers'' that in turn emit unexpectedly bright light in nanoscale gaps between electrodes. (2020-06-29)
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