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Quantum Physics News
October 3, 2020

Top Headlines
 

Tunable Free-Electron X-Ray Radiation from Van Der Waals Materials

The suggested apparatus produces controlled radiation with a narrow spectrum that can be tuned with high resolution, at a relatively low energy investment. The findings are likely to lead to ...

Understanding Ghost Particle Interactions

Scientists have constructed a nuclear physics model capturing the interactions between neutrinos and atomic nuclei. This model building is part of a larger project to understand the role of neutrinos ...

Spin Clean-Up Method Brings Practical Quantum Computers Closer to Reality

Researchers create a quantum algorithm that removes spin contaminants while making chemical calculations on quantum computers. This allows for predictions of electronic and molecular behavior with ...

New Possibilities for Working With Quantum Information

The spin of particles can be manipulated by a magnetic field. This principle is the basic idea behind magnetic resonance imaging as used in hospitals. A surprising effect has now been discovered in ...
Latest Headlines
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Earlier Headlines
 

A Question of Reality

Physicists have published a review that explores Bell's inequalities and his concepts of reality and explains their relevance to quantum information and its ...

New Approach to Exotic Quantum Matter

Researchers report on new advances in the understanding of fractional angular momentum and anyon statistics of impurities in Laughlin ...

New Type of Superconductor Identified

Until now, the history of superconducting materials has been a tale of two types: s-wave and d-wave. Now, researchers have discovered a possible third type: ...

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. The tool is a fluorescent ...

Extra Stability for Magnetic Knots

Tiny magnetic whirls that can occur in materials - so-called skyrmions - hold high promises for novel electronic devices or magnetic memory in which they are used as bits to store information. A ...

Why There Is No Speed Limit in the Superfluid Universe

Physicists have established why objects moving through superfluid helium-3 lack a speed limit; exotic particles that stick to all surfaces in the superfluid. The discovery may guide applications in ...

New Design Principles for Spin-Based Quantum Materials

A new design criteria for enhancing the spin lifetime of a class of quantum materials could support Internet of Things devices and other resource-intensive ...

New Calculation Refines Comparison of Matter With Antimatter

An international collaboration of theoretical physicists has published a new calculation relevant to the search for an explanation of the predominance of matter over antimatter in our universe. The ...

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 ...

Reviewing the Quantum Material 'Engine Room'

An Australian collaboration reviews the quantum anomalous Hall effect (QAHE), one of the most fascinating and important recent discoveries in condensed-matter physics. QAHE allows zero-resistance ...

New Way of Controlling Conductivity of Materials at the Nanoscale

A new discovery is an important step towards smaller, more advanced electronics. And maybe more environmentally friendly gadgets, ...

Single Photons from a Silicon Chip

Quantum technology holds great promise: Quantum computers are expected to revolutionize database searches, AI systems, and computational simulations. Today already, quantum cryptography can guarantee ...

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. Yet a new computational study combining ...

Evidence of Power: Phasing Quantum Annealers Into Experiments from Nonequilibrium Physics

Scientists have used commercially available quantum annealers, a type of quantum computer, to experimentally probe the validity of an important mechanism from nonequilibrium physics in open quantum ...

Quantum Thermometer Using Nanodiamonds Senses a 'Fever' in Tiny Worms C. Elegans

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. An ...

Using Laser to Cool Polyatomic Molecule

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 ...

New Machine Learning-Assisted Method Rapidly Classifies Quantum Sources

Engineers have created a new machine learning-assisted method that could make quantum photonic circuit development more efficient by rapidly pre-selecting these solid-state quantum ...

Quirky Response to Magnetism Presents Quantum Physics Mystery

Scientists describe the quirky behavior of one such magnetic topological insulator. The new article includes experimental evidence that intrinsic magnetism in the bulk of manganese bismuth telluride ...

Nanophysics: Spectral Classification of Excitons

Ultrathin layers of tungsten diselenide have potential applications in opto-electronics and quantum technologies. Researchers have now explored how this material interacts with light in the presence ...

Superconductors Are Super Resilient to Magnetic Fields

A professor provides a new theoretical mechanism that explains the ability of superconductive materials to bounce back from being exposed to a magnetic field. This work may lead to energy systems ...

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