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Physics news
Unique quantum material could enable ultra-powerful, compact computers
Information in computers is transmitted through semiconductors by the movement of electrons and stored in the direction of the electron spin in magnetic materials. To shrink devices while improving their performance—a goal ...
Quantum Physics
May 20, 2022
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Electrons in a crystal found to exhibit linked and knotted quantum twists
As physicists delve deeper into the quantum realm, they are discovering an infinitesimally small world composed of a strange and surprising array of links, knots and winding. Some quantum materials exhibit magnetic whirls ...
Condensed Matter
May 20, 2022
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2364
All-optical phase recovery and quantitative phase imaging performed instantly without a computer
Optical imaging and characterization of weakly scattering phase objects, such as isolated cells, bacteria and thin tissue sections frequently used in biological research and medical applications, have been of significant ...
Optics & Photonics
May 20, 2022
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105
Researchers discover new 'unexpected' phenomenon in quantum physics of materials
Researchers at Northeastern have discovered a new quantum phenomenon in a specific class of materials, called antiferromagnetic insulators, that could yield new ways of powering "spintronic" and other technological devices ...
Quantum Physics
May 20, 2022
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461
Mixing laser beams and X-ray beams
Unlike fictional laser swords, real laser beams do not interact with each other when they cross—unless the beams meet within a suitable material allowing for nonlinear light-matter interaction. In such a case, wave mixing ...
Optics & Photonics
May 20, 2022
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219
Researchers find imperfections provide protection for system symmetry
An international research collaboration has discovered how to exploit certain defects to protect confined energy in acoustics systems. Their experimental approach provides a versatile platform to create at-will defects for ...
General Physics
May 20, 2022
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160
Collaboration reveals interplay between charge order and superconductivity at nanoscale
High temperature superconductivity is something of a holy grail for researchers studying quantum materials. Superconductors, which conduct electricity without dissipating energy, promise to revolutionize our energy and telecommunication ...
Superconductivity
May 20, 2022
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81
Flow of liquid metals found to exhibit surprising turbulence
Some metals are in liquid form, the prime example being mercury. But there are also enormous quantities of liquid metal in the Earth's core, where temperatures are so high that part of the iron is molten and undergoes complex ...
General Physics
May 20, 2022
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28
Unraveling a perplexing explosive process that occurs throughout the universe
Mysterious fast radio bursts release as much energy in one second as the Sun pours out in a year and are among the most puzzling phenomena in the universe. Now researchers at Princeton University, the U.S. Department of ...
Plasma Physics
May 20, 2022
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85
Ghostly 'mirror world' might be cause of cosmic controversy
New research suggests an unseen "mirror world" of particles that interacts with our world only via gravity that might be the key to solving a major puzzle in cosmology today—the Hubble constant problem.
General Physics
May 19, 2022
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117
Is it topological? A new materials database has the answer
What will it take to make our electronics smarter, faster, and more resilient? One idea is to build them from materials that are topological.
General Physics
May 19, 2022
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232
Thermalization and information scrambling in a superconducting quantum processor
In recent years, physicists have carried out extensive studies focusing on quantum technology and quantum many-body systems. Two out-of-equilibrium dynamical processes that have attracted particular attention in this field ...
Discovery of high-speed moving plasma turbulence that outpaces the movement of heat
In order to achieve a fusion power plant, it is necessary to stably confine a plasma of more than 100 million degrees Celsius in a magnetic field and maintain it for a long time. A research group led by Assistant Professor ...
Plasma Physics
May 19, 2022
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536
Laser annealing transmon qubits for high-performance superconducting quantum processors
Quantum physicists aim to scale the number of qubits during quantum computing, while maintaining high-fidelity quantum gates; this is a challenging task due to the precise frequency requirements that accompany the process. ...
Quasi-symmetry in CoSi reveals new type of topological material
Ever since the discovery of the quantum Hall effect (Nobel Prize 1985), symmetry has been the guiding principle in the search for topological materials. Now an international team of researchers from Germany, Switzerland, ...
Quantum Physics
May 19, 2022
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130
Spin keeps electrons in line in iron-based superconductor
Researchers from PSI's Spectroscopy of Quantum Materials group together with scientists from Beijing Normal University have solved a puzzle at the forefront of research into iron-based superconductors: the origin of FeSe's ...
Superconductivity
May 19, 2022
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123
Light-controlled reactions at the nanoscale
Controlling strong electromagnetic fields on nanoparticles is the key to triggering targeted molecular reactions on their surfaces. Such control over strong fields is achieved via laser light. Although laser-induced formation ...
Optics & Photonics
May 19, 2022
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361
How to explain localized gap modes in Bose-Einstein condensates
Bose-Einstein condensates (BECs), created in ultracold bosonic atoms and degenerate quantum gases, are a macroscopic quantum phenomenon and are considered as a single particle in mean-filed theory. By preparing the BECs or ...
Optics & Photonics
May 19, 2022
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15
Researchers reveal multi-scale characteristics of helicity in wall-bounded turbulent flows
A research team from the Institute of Mechanics of the Chinese Academy of Sciences has revealed the multi-scale characteristics of helicity in wall-bounded turbulent flows.
Soft Matter
May 19, 2022
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11
Blurring the boundary between Floquet matter and metamaterials
Metamaterials—artificial media with tailored subwavelength structures—have now encompassed a broad range of novel properties that are unavailable in nature. This field of research has stretched across different wave platforms, ...
Condensed Matter
May 19, 2022
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14
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Quantum magnets in motion
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Webb telescope nearly set to explore the solar system
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Function follows form in plant immunity
New process revolutionizes microfluidic fabrication
Going gentle on mechanical quantum systems
Malaria parasites form vortices
More efficient optical quantum gates
Terahertz near-field microscopy based on an air-plasma dynamic aperture
On-chip photodetection: Two-dimensional material heterojunctions
Physics and applications of Raman distributed optical fiber sensing
A vertical matrix X-ray detector for multi-energy discrimination
Quantum systems and the flight of the bee
Chloride ion channel ASOR is required for vesicle shrinkage
High turnover and rescue effect of scaffold protein in response to heavy-ion radiation
