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Current Quantum dots News and Events, Quantum dots News Articles.
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Spin clean-up method brings practical quantum computers closer to reality
Researchers at Osaka City University create a quantum algorithm that removes spin contaminants while making chemical calculations on quantum computers. (2020-09-25)
LSU physicists develop a method to improve gravitational wave detector sensitivity
Gravitational wave detectors opened a new window to the universe by measuring the ripples in spacetime produced by colliding black holes and neutron stars, but they are ultimately limited by quantum fluctuations induced by light reflecting off of mirrors. (2020-09-25)
Bridging the gap between the magnetic and electronic properties of topological insulators
Scientists at Tokyo Institute of Technology shed light on the relationship between the magnetic properties of topological insulators and their electronic band structure. (2020-09-24)
The return of the spin echo
The spin of particles can be manipulated by a magnetic field. (2020-09-24)
A question of reality
Physicist Reinhold Bertlmann of the University of Vienna, Austria has published a review of the work of his late long-term collaborator John Stewart Bell of CERN, Geneva in EPJ H. (2020-09-24)
New system detects faint communications signals using the principles of quantum physics
Researchers at the National Institute of Standards and Technology (NIST) have devised and demonstrated a system that could dramatically increase the performance of communications networks while enabling record-low error rates in detecting even the faintest of signals. (2020-09-24)
Controlling ultrastrong light-matter coupling at room temperature
Physicists at Chalmers University of Technology in Sweden, together with colleagues in Russia and Poland, have managed to achieve ultrastrong coupling between light and matter at room temperature. (2020-09-23)
New approach to exotic quantum matter
A team of international researchers reports on new advances in the understanding of fractional angular momentum and anyon statistics of impurities in Laughlin liquids. (2020-09-22)
Single photon emission from isolated monolayer islands of InGaN
Single photon emitters are essential devices for the realization of future optical quantum technologies including optical quantum computing and quantum key distribution. (2020-09-22)
Why there is no speed limit in the superfluid universe
Physicists from Lancaster University have established why objects moving through superfluid helium-3 lack a speed limit; exotic particles that stick to all surfaces in the superfluid. (2020-09-21)
Nanoparticle SARS-CoV-2 model may speed drug discovery for COVID-19
Scientists have developed a new tool that mimics how the virus that causes COVID-19 infects a cell, potentially speeding the search for treatments against the disease. (2020-09-21)
Aberrant electronic and structural alterations in pressure tuned perovskite NaOsO3
In summary, a comprehensive temperature-dependent electrical transport, Raman scattering, synchrotron XRD, and DFT study has been carried out to understand the effect of external pressure on perovskite NaOsO3. (2020-09-18)
Development of high-sensitivity, wide-IF band heterodyne receiver in THz frequency range
The National Institute of Information and Communications Technology has developed a unique superconducting hot electron bolometer mixer (HEBM) using magnetic materials. (2020-09-18)
New design principles for spin-based quantum materials
Professor James Rondinelli's new design criteria for enhancing the spin lifetime of a class of quantum materials could support Internet of Things devices and other resource-intensive technologies. (2020-09-18)
Rochester researchers document an optical fiber beyond compare
A new anti-resonant hollow core optical fiber produces a thousand times less ''noise'' interfering with signals it transmits compared to the single-mode fibers now widely used. (2020-09-18)
Scientists discover what happens in our brains when we make educated guesses
Researchers have identified how cells in our brains work together to join up memories of separate experiences, allowing us to make educated guesses in everyday life. (2020-09-17)
NRL, NCATS scientists develop method to safely study COVID-19, other contagious diseases
Scientists and researchers at NRL and the National Center for Advancing Translational Sciences collaborate to develop SARS-CoV-2 nanoparticle probes that are used to study fundamental interactions between SARS-CoV-2 Spike proteins and human cells. (2020-09-17)
Reviewing the quantum material 'engine room', QAHE
An Australian collaboration reviews the quantum anomalous Hall effect (QAHE), one of the most fascinating and important recent discoveries in condensed-matter physics. (2020-09-16)
Reaching 90% PL quantum yield in 1D metal halide by pressure-suppressed nonradiative loss
Here, we report a significant pressure-induced photoluminescence (PL) enhancement in a one-dimensional hybrid metal halide C4N2H14PbBr4, and the underlying mechanisms are investigated using in situ experimental characterization and first-principles calculations. (2020-09-16)
Skoltech research puts exciton-polaritons in their place with new artificial laser-built lattices
Researchers at the Hybrid Photonics Laboratories in Skoltech and Southampton (UK), in collaboration with Lancaster University (UK), have demonstrated a new optical method to synthesize artificial solid-state crystal structures for cavity-polaritons using only laser light. (2020-09-16)
Microsoft and University of Copenhagen collaboration yields promising material for quantum computing
Researchers at the Microsoft Quantum Materials Lab and the University of Copenhagen, working closely together, have succeeded in realizing an important and promising material for use in a future quantum computer. (2020-09-16)
MTU and Argonne engineers improve signal processing for small fiber optic cables
Tiny circuits can go the distance. Researchers at Michigan Tech have mapped a noise-reducing magneto-optical response that occurs in fiber-optic communications, opening the door for new materials technologies. (2020-09-16)
A quantum thermometer for measuring ultra-cold temperatures
In everyday life, measuring temperature is pretty straightforward. But in the quantum world, which deals with the super small and the ultra-cold, determining how hot or cold something is starts to get more challenging. (2020-09-16)
Single photons from a silicon chip
Quantum technology holds great promise: Quantum computers are expected to revolutionize database searches, AI systems, and computational simulations. (2020-09-15)
Single atom-thin platinum makes a great chemical sensor
Researchers at Chalmers University of Technology, Sweden, together with colleagues from other universities, have discovered the possibility to prepare one-atom thin platinum for use as a chemical sensor. (2020-09-14)
Infinite chains of hydrogen atoms have surprising properties, including a metallic phase
An infinite chain of hydrogen atoms is just about the simplest bulk material imaginable -- a never-ending single-file line of protons surrounded by electrons. (2020-09-14)
Harvard team uses laser to cool polyatomic molecule
Harvard researchers describe using a novel method combining cryogenic technology and direct laser light to cool the nonlinear polyatomic molecule calcium monomethoxide (CaOCH3) to just above absolute zero. (2020-09-11)
A phonon laser - coherent vibrations from a self-breathing resonator
Lasing - the emission of a collimated light beam of light with a well-defined wavelength (color) and phase - results from a self-organization process, in which a collection of emission centers synchronizes itself to produce identical light particles (photons). (2020-09-11)
Get diamonds, take temperature
Measuring the temperature of objects at a nanometer-scale has been a long challenge, especially in living biological samples, because of the lack of precise and reliable nanothermometers. (2020-09-11)
Superconductors are super resilient to magnetic fields
A Professor at the University of Tsukuba provides a new theoretical mechanism that explains the ability of superconductive materials to bounce back from being exposed to a magnetic field. (2020-09-10)
Nanophysics - Spectral classification of excitons
Ultrathin layers of tungsten diselenide have potential applications in opto-electronics and quantum technologies. (2020-09-10)
Evidence of power: Phasing quantum annealers into experiments from nonequilibrium physics
Scientists at Tokyo Institute of Technology (Tokyo Tech) use commercially available quantum annealers, a type of quantum computer, to experimentally probe the validity of an important mechanism from nonequilibrium physics in open quantum systems. (2020-09-10)
New machine learning-assisted method rapidly classifies quantum sources
Purdue University engineers created a new machine learning-assisted method that could make quantum photonic circuit development more efficient by rapidly preselecting these solid-state quantum emitters. (2020-09-10)
Quirky response to magnetism presents quantum physics mystery
In a new study just published and highlighted as an Editor's Suggestion in Physical Review Letters, scientists describe the quirky behavior of one such magnetic topological insulator. (2020-09-10)
Study suggests unconscious learning underlies belief in God
Individuals who can unconsciously predict complex patterns, an ability called implicit pattern learning, are likely to hold stronger beliefs that there is a god who creates patterns of events in the universe, according to neuroscientists at Georgetown University. (2020-09-09)
A new kind of liquid scintillator via hybridizing perovskite nanocrystals with organic molecules
Highly-efficient scintillators are playing an essential role in various fundamental science and industrial applications. (2020-09-09)
AI used to show how hydrogen becomes a metal inside giant planets
Researchers have used a combination of AI and quantum mechanics to reveal how hydrogen gradually turns into a metal inside giant planets. (2020-09-09)
A new technique prevents errors in quantum computers
A paper recently published in Nature presents a protocol allowing for the error detection and the protection of quantum processors in case of qubit loss. (2020-09-09)
New method prevents quantum computers from crashing
Quantum information is fragile, which is why quantum computers must be able to correct errors. (2020-09-09)
Quantum shake
There they were, in all their weird quantum glory: ultracold lithium atoms in the optical trap operated by UC Santa Barbara undergraduate student Alec Cao and his colleagues in David Weld's atomic physics group. (2020-09-09)
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