Him

  • Portable technology offers boost for...
    on June 11, 2021 at 2:27 PM

    About five years ago, Areg Danagoulian, associate professor in the MIT Department of Nuclear Science and Engineering (NSE), became intrigued by a technique developed by researchers at Los Alamos National Laboratory that uses a neutron beam to identify unknown materials.

  • Researchers build first modular quantum...
    on June 11, 2021 at 2:04 PM

    A team of scientists at the University of Sussex have for the first time built a modular quantum brain scanner, and used it to record a brain signal. This is the first time a brain signal has been detected using a modular quantum brain sensor anywhere in the world. It's a major milestone for all […]

  • Mystery object caused by spontaneous...
    on June 10, 2021 at 3:23 PM

    Hiromitsu Takeuchi, a lecturer at the Graduate School of Science, Osaka City University, and a researcher at the Nambu Yoichiro Institute of Theoretical and Experimental Physics (NITEP), has theoretically identified the nature of a mysterious topological defect produced by the recently discovered […]

  • Novel materials: Sound waves traveling...
    on June 10, 2021 at 3:21 PM

    Acoustic waves in gases, liquids, and solids usually travel at an almost constant speed of sound. So-called rotons are an exception: their speed of sound changes significantly with the wavelength, and it is also possible that the waves travel backward. Researchers at Karlsruhe Institute of […]

  • GEM simplifies the internal structure...
    on June 10, 2021 at 3:15 PM

    Inside each proton or neutron there are three quarks bound by gluons. Until now, it has often been assumed that two of them form a "stable" pair known as a diquark. It seems, however, that it's the end of the road for the diquarks in physics. This is one of the conclusions of the new model of […]

  • GEM simplifies the internal structure...
    on June 10, 2021 at 3:15 PM

    Inside each proton or neutron there are three quarks bound by gluons. Until now, it has often been assumed that two of them form a "stable" pair known as a diquark. It seems, however, that it's the end of the road for the diquarks in physics. This is one of the conclusions of the new model of […]

  • Researchers take quantum encryption out...
    on June 10, 2021 at 7:03 AM

    In a new study, researchers demonstrate an automated, easy-to-operate quantum key distribution (QKD) system using the fiber network in the city of Padua, Italy. The field test represents an important step toward implementing this highly secure quantum communication technology using the type of […]

  • Study: Important contribution to...
    on June 9, 2021 at 4:20 PM

    The movement of electrons can have a significantly greater influence on spintronic effects than previously assumed. This discovery was made by an international team of researchers led by physicists from the Martin Luther University Halle-Wittenberg (MLU). Until now, a calculation of these effects […]

  • Dynamics of contact electrification
    on June 9, 2021 at 3:20 PM

    A new report on Science Advances developed by Mirco Kaponig and colleagues in physics and nanointegration in Germany, detailed the very basic concept of contact electrification between two metals. In a new experimental method, the researchers followed the charge of a small sphere bouncing on a […]

  • Researchers reveal relationship between...
    on June 9, 2021 at 3:15 PM

    Since energy storage devices are often used in a magnetic field environment, scientists regularly explore how an external magnetic field affects the charge storage of nonmagnetic aqueous carbon-based supercapacitor systems.

  • Researchers create quantum microscope...
    on June 9, 2021 at 3:00 PM

    In a major scientific leap, University of Queensland researchers have created a quantum microscope that can reveal biological structures that would otherwise be impossible to see.

  • ATLAS experiment searches for...
    on June 9, 2021 at 2:00 PM

    Key to understanding the Higgs boson and its role in the Standard Model is understanding how it interacts with matter particles, i.e. quarks and leptons. There are three generations of matter particles, varying in mass from the lightest (first generation) to the heaviest (third generation). […]

  • ATLAS experiment searches for...
    on June 9, 2021 at 2:00 PM

    Key to understanding the Higgs boson and its role in the Standard Model is understanding how it interacts with matter particles, i.e. quarks and leptons. There are three generations of matter particles, varying in mass from the lightest (first generation) to the heaviest (third generation). […]

  • Physicists achieve significant...
    on June 9, 2021 at 1:46 PM

    How do you spot a subatomic neutrino in a "haystack" of particles streaming from space? That's the daunting prospect facing physicists studying neutrinos with detectors near Earth's surface. With little to no shielding in such non-subterranean locations, surface-based neutrino detectors, usually […]

  • Physicists achieve significant...
    on June 9, 2021 at 1:46 PM

    How do you spot a subatomic neutrino in a "haystack" of particles streaming from space? That's the daunting prospect facing physicists studying neutrinos with detectors near Earth's surface. With little to no shielding in such non-subterranean locations, surface-based neutrino detectors, usually […]

  • Technique characterizes phases of...
    on June 9, 2021 at 1:44 PM

    A team of researchers from the Institute for Quantum Optics and Quantum Information and the University of Innsbruck, has developed a technique for characterizing the phases a superfluid undergoes as it changes to a supersolid and then back again. The group has written a paper describing their […]

  • Early endeavors on the path to reliable...
    on June 8, 2021 at 2:17 PM

    Anyone who collects mushrooms knows that it is better to keep the poisonous and the non-poisonous ones apart. In such "classification problems," which require distinguishing certain objects from one another and to assign the objects we are looking for to certain classes by means of characteristics, […]

  • Demonstration of quantum communication...
    on June 8, 2021 at 2:15 PM

    The Cambridge Research Laboratory of Toshiba Europe today announced the first demonstration of quantum communication over optical fibers exceeding 600 km in length. The breakthrough will enable long-distance, quantum-secured information transfer between metropolitan areas, and is a major advance […]

  • Could the source of the GW190814 event...
    on June 8, 2021 at 1:30 PM

    On the 14th of August 2019, the LIGO-Virgo collaboration detected a gravitational wave signal believed to be associated with the merging of a binary stellar system composed of a black hole with a mass of 23 times the mass of the sun (M⊙) and a compact object with a mass of about 2.6 M⊙. The […]

  • Subatomic particle seen changing to...
    on June 8, 2021 at 1:19 PM

    Physicists have proved that a subatomic particle can switch into its antiparticle alter-ego and back again, in a new discovery revealed today.

  • Subatomic particle seen changing to...
    on June 8, 2021 at 1:19 PM

    Physicists have proved that a subatomic particle can switch into its antiparticle alter-ego and back again, in a new discovery revealed today.

  • Laser-focused on supercooled water
    on June 8, 2021 at 12:41 PM

    Drink in this factoid: water is the weirdest liquid of all.

  • A quantum step to a heat switch with no...
    on June 7, 2021 at 7:47 PM

    Researchers have discovered a new electronic property at the frontier between the thermal and quantum sciences in a specially engineered metal alloy—and in the process identified a promising material for future devices that could turn heat on and off with the application of a magnetic "switch."

  • New COVID-19 model reveals...
    on June 7, 2021 at 7:45 PM

    More strategic and coordinated travel restrictions likely could have reduced the spread of COVID-19 in the early stages of the pandemic. That's according to new research published in Communications Physics. This finding stems from new modeling conducted by a multidisciplinary team of scientists and […]

  • Physicists report definitive evidence...
    on June 7, 2021 at 3:00 PM

    The aurora borealis, or northern lights, that fill the sky in high-latitude regions have fascinated people for thousands of years. But how they're created, while theorized, had not been conclusively proven.

  • Lighting up ultrafast magnetism in a...
    on June 7, 2021 at 1:42 PM

    What happens when very short pulses of laser light strike a magnetic material? A large international collaboration led by the U.S. Department of Energy's (DOE) Brookhaven National Laboratory set out to answer this very question. As they just reported in the Proceedings of the National Academy of […]

  • A framework to simulate the same...
    on June 7, 2021 at 1:30 PM

    Researchers at Okinawa Institute of Science and Technology Graduate University in Japan have recently been investigating situations in which two distinct Hamiltonians could be used to simulate the same physical phenomena. A Hamiltonian is a function or model used to describe a dynamic system, such […]

  • A framework to simulate the same...
    on June 7, 2021 at 1:30 PM

    Researchers at Okinawa Institute of Science and Technology Graduate University in Japan have recently been investigating situations in which two distinct Hamiltonians could be used to simulate the same physical phenomena. A Hamiltonian is a function or model used to describe a dynamic system, such […]

  • An atom chip interferometer that could...
    on June 7, 2021 at 12:40 PM

    Physicists in Israel have created a quantum interferometer on an atom chip. This device can be used to explore the fundamentals of quantum theory by studying the interference pattern between two beams of atoms. University of Groningen physicist, Anupam Mazumdar, describes how the device could be […]

  • Quantum holds the key to secure...
    on June 4, 2021 at 6:00 PM

    The world is one step closer to ultimately secure conference calls, thanks to a collaboration between Quantum Communications Hub researchers and their German colleagues, enabling a quantum-secure conversation to take place between four parties simultaneously.

  • Smashing gold with finesse: Shockless...
    on June 4, 2021 at 12:52 PM

    To test the Standard Model of particle physics, scientists often collide particles using gigantic underground rings. In a similar fashion, high-pressure physicists compress materials to ever greater pressures to further test the quantum theory of condensed matter and challenge predictions made […]

  • Enantiomorph distribution maps for...
    on June 3, 2021 at 6:17 PM

    Left- or right-handedness is a symmetry property that many macroscopic objects also exhibit and which is of immense importance, particularly for the bioactivity of organic molecules. Chirality is also relevant for physical or chemical properties such as optical activity or enantioselectivity of […]

  • How quantum dots can 'talk' to each...
    on June 3, 2021 at 5:07 PM

    So-called quantum dots are a new class of materials with many applications. Quantum dots are realized by tiny semiconductor crystals with dimensions in the nanometre range. The optical and electrical properties can be controlled through the size of these crystals. As QLEDs, they are already on the […]

  • Quantum computing with holes
    on June 3, 2021 at 3:00 PM

    Quantum computers, with their promises of creating new materials and solving intractable mathematical problems, are a dream of many physicists. Now, they are slowly approaching viable realization in many laboratories all over the world. But there are still enormous challenges to master. A central […]

  • Stripes give away Majoranas
    on June 3, 2021 at 2:13 PM

    Majorana particles have been getting bad publicity: a claimed discovery in ultracold nanowires had to be retracted. Now Leiden physicists open up a new door to detecting Majoranas in a different experimental system, the Fu-Kane heterostructure, they announce in Physical Review Letters.

  • Stripes give away Majoranas
    on June 3, 2021 at 2:13 PM

    Majorana particles have been getting bad publicity: a claimed discovery in ultracold nanowires had to be retracted. Now Leiden physicists open up a new door to detecting Majoranas in a different experimental system, the Fu-Kane heterostructure, they announce in Physical Review Letters.

  • How is the genome like an open book?...
    on June 2, 2021 at 7:24 PM

    The organization of the human genome relies on physics of different states of matter—such as liquid and solid—a team of scientists has discovered. The findings, which reveal how the physical nature of the genome changes as cells transform to serve specific functions, point to new ways to […]

  • A new dimension in the quest to...
    on June 2, 2021 at 6:25 PM

    As its name suggests, dark matter—material which makes up about 85% of the mass in the universe—emits no light, eluding easy detection. Its properties, too, remain fairly obscure.

  • Entangled quantum memories for a...
    on June 2, 2021 at 3:00 PM

    During the '90s, engineers made major advances in the telecom arena spreading out the network to distances beyond the cities and metropolitan areas. To achieve this scalability factor, they used repeaters, which enhanced attenuated signals and allowed these to travel farther distances with the same […]

  • Detecting mid-infrared light, one...
    on June 2, 2021 at 2:59 PM

    For some 30 years, scientists have used superconducting materials to record the tiniest specks of light imaginable—individual photons, or single particles of light. However, these detectors, which consist of ultracold wires only about one-thousandth the diameter of a human hair, were limited to […]

  • Researchers learn how swimming ducks...
    on June 2, 2021 at 12:00 PM

    A team of students working with Jonathan Boreyko, associate professor in mechanical engineering at Virginia Tech, has discovered the method ducks use to suspend water in their feathers while diving, allowing them to shake it out when surfacing. The discovery opens the door for applications in […]

  • World's smallest, best acoustic...
    on June 2, 2021 at 11:48 AM

    Scientists at Sandia National Laboratories have built the world's smallest and best acoustic amplifier. And they did it using a concept that was all but abandoned for almost 50 years.

  • A better look at how particles move
    on June 2, 2021 at 11:44 AM

    If you take a bucket of water balloons and jostle one of them, the neighboring balloons will respond as well. This is a scaled-up example of how collections of cells and other deformable particle packings respond to forces. Modeling this phenomenon with computer simulations can shed light on […]

  • Researchers demonstrate a quantum...
    on June 1, 2021 at 8:03 PM

    Quantum computing and quantum sensing have the potential to be vastly more powerful than their classical counterparts. Not only could a fully realized quantum computer take just seconds to solve equations that would take a classical computer thousands of years, but it could have incalculable […]

  • Light-shrinking material lets ordinary...
    on June 1, 2021 at 7:18 AM

    Electrical engineers at the University of California San Diego developed a technology that improves the resolution of an ordinary light microscope so that it can be used to directly observe finer structures and details in living cells.

  • Researchers discover that a mechanical...
    on May 31, 2021 at 8:19 PM

    In many species including humans, the cells responsible for reproduction, the germ cells, are often highly interconnected and share their cytoplasm. In the hermaphrodite nematode Caenorhabditis elegans, up to 500 germ cells are connected to each other in the gonad, the tissue that produces eggs and […]

  • Phonon catalysis could lead to a new...
    on May 31, 2021 at 12:47 PM

    Batteries and fuel cells often rely on a process known as ion diffusion to function. In ion diffusion, ionized atoms move through solid materials, similar to the process of water being absorbed by rice when cooked. Just like cooking rice, ion diffusion is incredibly temperature-dependent and […]

  • Using the environment to control...
    on May 28, 2021 at 2:46 PM

    Singapore University of Technology and Design (SUTD) researchers have uncovered how the environment can impact highly sensitive quantum behaviors like localisation. Their findings, published in Chaos, could lead to future innovations in the design of superconducting materials and quantum devices, […]

  • Electrons waiting for their turn: New...
    on May 28, 2021 at 1:58 PM

    Scientists from the Cluster of Excellence ct.qmat—Complexity and Topology in Quantum Matter have developed a new understanding of how electrons behave in strong magnetic fields. Their results explain measurements of electric currents in three-dimensional materials that signal a quantum Hall […]

  • Simulations examine performance of...
    on May 28, 2021 at 12:11 PM

    Scientists have examined the performance of pure boron, boron carbide, high-density carbon and boron nitride ablators—the material that surrounds a fusion fuel and couples with the laser or hohlraum radiation in an experiment—in the polar direct drive exploding pusher (PDXP) platform, which is […]

  • Scientists overhear two atoms chatting
    on May 27, 2021 at 6:00 PM

    How materials behave depends on the interactions between countless atoms. You could see this as a giant group chat in which atoms are continuously exchanging quantum information. Researchers from Delft University of Technology in collaboration with RWTH Aachen University and the Research Center […]

  • Spacetime crystals proposed by placing...
    on May 27, 2021 at 4:41 PM

    A Penn State scientist studying crystal structures has developed a new mathematical formula that may solve a decades-old problem in understanding spacetime, the fabric of the universe proposed in Einstein's theories of relativity.

  • Quark-gluon plasma flows like water,...
    on May 27, 2021 at 4:39 PM

    What does quark-gluon plasma—the hot soup of elementary particles formed a few microseconds after the Big Bang—have in common with tap water? Scientists say it's the way it flows.

  • Controlling magnetization by surface...
    on May 27, 2021 at 2:16 PM

    Using the circular vibration of surface acoustic waves, a collaborative research group have successfully controlled the magnetization of a ferromagnetic thin film.

  • Study of promising photovoltaic...
    on May 26, 2021 at 7:52 PM

    Researchers at McGill University have gained new insight into the workings of perovskites, a semiconductor material that shows great promise for making high-efficiency, low-cost solar cells and a range of other optical and electronic devices.

  • Most precise measurements of cosmic ray...
    on May 26, 2021 at 1:43 PM

    The Dark Matter Particle Explorer (DAMPE) collaboration reported the precise measurement of the energy spectrum of cosmic ray helium nuclei from 70 GeV to 80 TeV energies on May 18, 2021.

  • Probing deeper into origins of cosmic...
    on May 25, 2021 at 4:33 PM

    Cosmic rays are high-energy atomic particles continually bombarding Earth's surface at nearly the speed of light. Our planet's magnetic field shields the surface from most of the radiation generated by these particles. Still, cosmic rays can cause electronic malfunctions and are the leading concern […]

  • Rice physicists' RAMBO reveals magnetic...
    on May 25, 2021 at 9:01 AM

    Sometimes things are a little out of whack, and it turns out to be exactly what you need.

  • New quantum material discovered
    on May 24, 2021 at 2:47 PM

    In everyday life, phase transitions usually have to do with temperature changes—for example, when an ice cube gets warmer and melts. But there are also different kinds of phase transitions, depending on other parameters such as magnetic field. In order to understand the quantum properties of […]

  • Evidence found of superfluidity in...
    on May 24, 2021 at 1:40 PM

    A team of researchers working at the Institut für Laserphysik, Universität Hamburg, has found evidence of superfluidity in an extremely cold 2D gas of fermions. In their paper published in the journal Science, the group describes their work with a 2D Fermi gas and what they learned from it.