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 called skyrmions—unique co.....»»
Tracing the history of perturbative expansion in quantum field theory
Perturbative expansion is a valuable mathematical technique which is widely used to break down descriptions of complex quantum systems into simpler, more manageable parts. Perhaps most importantly, it has enabled the development of quantum field theo.....»»
Scientists demonstrate the survival of quantum coherence in a chemical reaction involving ultracold molecules
If you zoom in on a chemical reaction to the quantum level, you'll notice that particles behave like waves that can ripple and collide. Scientists have long sought to understand quantum coherence, the ability of particles to maintain phase relationsh.....»»
Coupling quantum mechanical simulations and AI paves way for screening new superconductors
Superconductors are materials that conduct electricity without resistance and are essential for several technological advancements, which include medical imaging and energy-efficient technology. However, most known superconductors operate under extre.....»»
Researchers call for a new measurement of time for tunneling particles
In an amazing phenomenon of quantum physics known as tunneling, particles appear to move faster than the speed of light. However, physicists from Darmstadt believe that the time it takes for particles to tunnel has been measured incorrectly. They pro.....»»
Method milestone for quantum physics: Rapid test for topological 2D materials
Topological quantum materials are hailed as a cornerstone of future technological advancements. Yet, validating their exceptional qualities has always been a lengthy process......»»
Quantum geometry offers new insights into "smart" materials with switchable electric polarity
Quantum theorists at the University of British Columbia have proposed a new approach to studying stacking ferroelectricity—spontaneous electric polarization—in layered, two-dimensional lab-grown materials......»»
Experimental demonstration of inequivalent mutually unbiased bases for quantum information processing
Research groups demonstrated for the first time that inequivalent mutually unbiased bases (MUBs) have different information extraction capabilities for quantum information processing. The research results were published in Physical Review Letters......»»
Scientists raise minimum magnetic field of a single measurement to sub-femtotesla level
A research team has, for the first time, realized the quantum amplification of an extremely weak magnetic field by using dark spin, with the magnetic field magnification exceeding a factor of 5,000 and the single magnetic field measurement accuracy r.....»»
How to ensure biodiversity data are FAIR, linked, open and future-proof
Within the Biodiversity Community Integrated Knowledge Library (BiCIKL) project, 14 European institutions from ten countries, spent the last three years elaborating on services and high-tech digital tools, in order to improve the findability, accessi.....»»
Places with more college graduates tend to foster better lifestyle habits overall, research finds
Having more education has long been linked to better individual health. But those benefits are also contagious, say the co-authors of a new working paper......»»
Uneven strain distribution induces detwinning in penta-twinned nanoparticles
Twinned nanoparticles have regions of clear symmetry that share the same crystal lattice, separated by a clear boundary. Changing the twin structure can affect the properties of the nanoparticles, which makes controlling twinning to create tailored n.....»»
Evolutionary history shapes variation of wood density: Study
Ecology and evolutionary biology suggest that closely related species are more likely to exhibit morphological and functional similarities compared to distantly related species. Each tree species represents a unique genetic reservoir and is a product.....»»
A switch for the internal clock: Exploring quantum biology for novel medical therapies
A research collaboration has explored the effects of nuclear magnetic resonance on the internal clock of cells at different times of day and under oxygen deprivation......»»
New surface acoustic wave techniques could lead to surfing a quantum internet
Researchers at the University of Rochester have used surface acoustic waves to overcome a significant obstacle in the quest to realize a quantum internet......»»
Electron vortices in graphene detected for the first time
When an ordinary electrical conductor—such as a metal wire—is connected to a battery, the electrons in the conductor are accelerated by the electric field created by the battery. While moving, electrons frequently collide with impurity atoms or v.....»»
Novel hybrid scheme speeds the way to simulating nuclear reactions on quantum computers
The nuclear reactions that power the stars and forge the elements emerge from the interactions of the quantum mechanical particles, protons and neutrons. Explaining these processes is one of the most challenging unsolved problems in computational phy.....»»
New method unravels the mystery of slow electrons
Slow electrons are used in cancer therapy as well as in microelectronics. It is very hard to observe how they behave in solids. But scientists at TU Wien have made this possible......»»
Tauonium: The smallest and heaviest atom with pure electromagnetic interaction
The hydrogen atom was once considered the simplest atom in nature, composed of a structureless electron and a structured proton. However, as research progressed, scientists discovered a simpler type of atom, consisting of structureless electrons, muo.....»»
Visual observation of photonic Floquet–Bloch oscillations
Recently, the exploration of Bloch oscillations (BOs) in periodically driven quantum systems, equivalent to "Floquet systems," has drawn tremendous attention because their exotic characteristics are profoundly distinct from those in static systems. S.....»»
Report: There are no good or bad oil crops, only good and bad practices
When shopping, have you considered the social and environmental impacts of your vegetable oil purchases? Most products offer limited information on these effects. Labels like "No Palm Oil"—linked to environmental damage and threats to orangutans—.....»»