Him

  • Physical features boost the efficiency...
    on December 8, 2021 at 4:59 PM

    Recent theoretical breakthroughs have settled two long-standing questions about the viability of simulating quantum systems on future quantum computers, overcoming challenges from complexity analyses to enable more advanced algorithms. Featured in two publications, the work by a quantum team at Los […]

  • Gravitational waves could be key to...
    on December 8, 2021 at 12:21 PM

    A team of theoretical researchers have found it might be possible to detect Q-balls in gravitational waves, and their detection would answer why more matter than anti-matter to be left over after the Big Bang, reports a new study in Physical Review Letters.

  • Physicists discover special transverse...
    on December 7, 2021 at 7:17 PM

    Can you imagine sound traveling in the same way as light does? A research team at City University of Hong Kong (CityU) has discovered a new type of sound wave: The airborne sound wave vibrates transversely and carries both spin and orbital angular momentum like light does. The findings shattered […]

  • Algorithm to increase the efficiency of...
    on December 7, 2021 at 6:30 PM

    Quantum computers have the potential to solve important problems that are beyond reach even for the most powerful supercomputers, but they require an entirely new way of programming and creating algorithms.

  • Microfountain pen draws minute patterns...
    on December 7, 2021 at 4:00 PM

    Advances in intuitive microwriting devices that can print microstructures could pattern electric circuits and more. The setup, featuring a robot arm to hold the micropen, deposits ink onto the surface, much like writing by hand with a fountain pen.

  • Study explores phase transitions in a...
    on December 6, 2021 at 3:00 PM

    Researchers at Massachusetts Institute of Technology, Hebrew University of Jerusalem, and Ohio state University recently carried out a study examining the possible effects of a first-order phase transition in a confining dark sector with heavy dark quarks. Using computer simulations, they showed […]

  • Study explores phase transitions in a...
    on December 6, 2021 at 3:00 PM

    Researchers at Massachusetts Institute of Technology, Hebrew University of Jerusalem, and Ohio state University recently carried out a study examining the possible effects of a first-order phase transition in a confining dark sector with heavy dark quarks. Using computer simulations, they showed […]

  • Studying cosmic expansion using methods...
    on December 6, 2021 at 2:48 PM

    It is almost always assumed in cosmological calculations that there is a even distribution of matter in the universe. This is because the calculations would be much too complicated if the position of every single star were to be included. In reality, the universe is not uniform: in some places […]

  • Optimized method to detect...
    on December 6, 2021 at 2:44 PM

    In a study published in Physical Review Letters, the team led by Academician Guo Guangcan from the University of Science and Technology of China of the Chinese Academy of Sciences (CAS), collaborating with Prof. Wang Zizhu from the University of Electronic Science and Technology of China, proposed […]

  • Ultra-high precision search for exotic...
    on December 6, 2021 at 2:44 PM

    The standard model is currently recognized as the most successful theory for studying particles and their interactions. However, it still fails to account for some important astronomy observations, such as the existence of dark matter and dark energy. Physicists generally believe that there are new […]

  • Ultra-high precision search for exotic...
    on December 6, 2021 at 2:44 PM

    The standard model is currently recognized as the most successful theory for studying particles and their interactions. However, it still fails to account for some important astronomy observations, such as the existence of dark matter and dark energy. Physicists generally believe that there are new […]

  • To capture single photons, researchers...
    on December 3, 2021 at 8:03 PM

    Photons are the basis for many next-generation quantum technologies, including ultra-secure quantum communications and potentially game-changing quantum computers.

  • Understanding mouthfeel of food using...
    on December 3, 2021 at 8:01 PM

    Food texture can make the difference between passing on a plate and love at first bite. To date, most studies on food texture center on relating a food's overall composition to its mechanical properties. Our understanding of how microscopic structure and changes in the shape of food affect food […]

  • Development of a single-process...
    on December 3, 2021 at 3:10 PM

    Graphene consists of a planar structure, with carbon atoms connected in a hexagonal shape that resembles a beehive. When graphene is reduced to several nanometers (nm) in size, it becomes a graphene quantum dot that exhibits fluorescent and semiconductor properties. Graphene quantum dots can be […]

  • CMS collaboration homes in on Higgs...
    on December 3, 2021 at 2:55 PM

    The Higgs boson doesn't stick around for long. Once it is created in particle collisions, the famed particle lives for a mere less than a trillionth of a billionth of a second or, more precisely, 1.6 x 10-22 seconds. According to theory, that is, for so far experiments have only been able to set […]

  • Physicists exploit space and time...
    on December 3, 2021 at 9:02 AM

    Physicists from Exeter and Trondheim have developed a theory describing how space reflection and time reversal symmetries can be exploited, allowing for greater control of transport and correlations within quantum materials.

  • Lego down! Focused vibrations knock...
    on December 2, 2021 at 10:20 PM

    A tabletop covered in miniature Lego minifigures. There is a whooshing sound, a pause, and then a single minifigure in the center of the table topples over, leaving the remaining minifigures standing.

  • Scientists use quantum processor to...
    on December 2, 2021 at 7:51 PM

    What would it be like if we lived in a flat two-dimensional world? Physicists predict that quantum mechanics would be even stranger in that case, resulting in exotic particles—so-called "anyons"— that cannot exist in the three-dimensional world we live in. This unfamiliar world is not just a […]

  • Color-changing magnifying glass gives...
    on December 2, 2021 at 7:00 PM

    Detecting light beyond the visible red range of our eyes is hard to do, because infrared light carries so little energy compared to ambient heat at room temperature. This obscures infrared light unless specialized detectors are chilled to very low temperatures, which is both expensive and […]

  • Scientists document the presence of...
    on December 2, 2021 at 7:00 PM

    In 1973, physicist Philip W. Anderson theorized the existence of a new state of matter that has been a major focus of the field, especially in the race for quantum computers.

  • Tracing European conflicts using lead...
    on December 2, 2021 at 2:40 PM

    A team of researchers from Vrije University, Conservation & Science, Rijksmuseum and the University of Amsterdam has found that it is possible to trace conflicts in Europe by analyzing lead isotopes in paint used by Dutch master painters. They have published their results in the journal Science […]

  • Safely delivering radiation to cancer...
    on December 1, 2021 at 8:56 PM

    Researchers at Lawrence Livermore National Laboratory (LLNL) have shown for the first time the potential for linear induction accelerators (LIAs) to deliver effective, targeted doses of "FLASH" radiation to cancer patients. The new technique selectively kills cancer cells with minimal damage to […]

  • Thriving in non-equilibrium
    on December 1, 2021 at 5:21 PM

    Equilibrium may be hard to achieve in our lives, but it is the standard state of nature.

  • Researchers generate, for the first...
    on November 30, 2021 at 9:44 PM

    Vortices may conjure a mental image of whirlpools and tornadoes—spinning bodies of water and air—but they can also exist on much smaller scales. In a new study published in Science, researchers from the Weizmann Institute of Science, together with collaborators from the Technion-Israel […]

  • High-speed holography of cells spots...
    on November 30, 2021 at 8:12 PM

    Biomedical engineers at Duke University have engineered a holographic system capable of imaging and analyzing tens of thousands of cells per minute to both discover and recognize signs of disease.

  • Physicists create time crystals with...
    on November 30, 2021 at 4:52 PM

    There is a huge global effort to engineer a computer capable of harnessing the power of quantum physics to carry out computations of unprecedented complexity. While formidable technological obstacles still stand in the way of creating such a quantum computer, today's early prototypes are still […]

  • Quantum computers getting connected for...
    on November 30, 2021 at 3:50 PM

    A promising route towards larger quantum computers is to orchestrate multiple task-optimized smaller systems. To dynamically connect and entangle any two systems, photonic interference emerges as a powerful method, due to its compatibility with on-chip devices and long-distance propagation in […]

  • How the act of measuring a quantum...
    on November 30, 2021 at 3:00 PM

    The quantum world and our everyday world are very different places. In a publication that appeared as the "Editor's Suggestion" in Physical Review A this week, UvA physicists Jasper van Wezel and Lotte Mertens and their colleagues investigate how the act of measuring a quantum particle transforms […]

  • New microscopy technique for quantum...
    on November 30, 2021 at 2:25 PM

    Researchers from the Institute of Laser Physics at Universität Hamburg have developed a new technique for quantum gas microscopy that now allows imaging of three-dimensional quantum systems. In the journal Nature, they report on the new method, which can be used to explore entirely new regimes.

  • A unique quantum-mechanical interaction...
    on November 30, 2021 at 12:42 PM

    An international team led by EPFL scientists, has unveiled a unique quantum-mechanical interaction between electrons and topological defects in layered materials that has only been observed in engineered atomic thin layers. The phenomenon can be reproduced by the native defects of lab grown large […]

  • Three-body interactions bring egoists...
    on November 30, 2021 at 12:36 PM

    A research team from Heinrich Heine University Düsseldorf (HHU) has worked together with TU Darmstadt and an MPI based in Garching to examine the group dynamics of communicating active particles. These particles are consistently focused on self-optimisation. By always endeavoring to maintain their […]

  • Modeling suggests friendships may lead...
    on November 30, 2021 at 12:34 PM

    Have you ever thought about not voting because your preferred candidate's victory seems assured? New Cornell research uses mathematical modeling to show that type of thinking can have the opposite effect, resulting in the election of politicians who do not represent the preferences of the […]

  • Researchers propose a simpler design...
    on November 29, 2021 at 8:43 PM

    Today's quantum computers are complicated to build, difficult to scale up, and require temperatures colder than interstellar space to operate. These challenges have led researchers to explore the possibility of building quantum computers that work using photons—particles of light. Photons can […]

  • A catalytic recipe for transforming...
    on November 29, 2021 at 8:41 PM

    Quantum physicists at the University of Warsaw have discovered new applications for quantum catalysis—the quantum equivalent of chemical catalysis used in industry—revealing that quantum catalysts are useful in many more setups than previously known. The breakthrough could prove pivotal in […]

  • Breaking the symmetry of sound waves...
    on November 29, 2021 at 5:35 PM

    Research undertaken by the Universidad Carlos III de Madrid (UC3M) has concluded that sound can be directed to a certain place if the sound waves' symmetry is broken. In order to carry out this work, recently published in the journal Nature, researchers used the whispering gallery phenomenon, a […]

  • Möbius strip microlasers for...
    on November 29, 2021 at 2:40 PM

    Photonics is a branch of technology development that specializes in the creation of devices that can generate, detect or manipulate light. Recently, researchers at Université Paris-Saclay coined a new term for a new photonics sub-field called non-Euclidean photonics.

  • Programmable interaction between...
    on November 29, 2021 at 12:20 PM

    The forces between particles, atoms, molecules, or even macroscopic objects like magnets are determined by the interactions of nature. For example, two closely lying bar magnets realign themselves under the influence of magnetic forces. A team led by Prof. Dr. Matthias Weidemüller and Dr. Gerhard […]

  • Newly improved quantum algorithm...
    on November 26, 2021 at 4:18 PM

    In a continuing effort to improve upon previous work, a research team at the Graduate School of Science, Osaka City University, has applied its recently developed Bayesian phase difference estimation quantum algorithm to perform full configuration interaction (full-CI) calculations of atoms and […]

  • Using molecules and atoms to conduct...
    on November 26, 2021 at 3:40 PM

    A team of researchers at Stanford University has developed a way to conduct the famous double-slit experiment at the molecular level. In their paper published in the journal Science, the group describes their technique and suggest that it could be used to assist with other molecular experiments.

  • Bolometers operate at higher...
    on November 26, 2021 at 1:24 PM

    Receivers combining a superconducting hot electron bolometer (HEB) with a reference oscillator are the work horses of supra-terahertz astronomy, observing for example star formation and galaxy evolution. Until now, mainly niobium nitride HEBs—that have to be operated at low temperatures of 4 […]

  • In the quantum realm, not even time...
    on November 26, 2021 at 10:00 AM

    A team of physicists at the Universities of Bristol, Vienna, the Balearic Islands and the Institute for Quantum Optics and Quantum Information (IQOQI-Vienna) has shown how quantum systems can simultaneously evolve along two opposite time arrows—both forward and backward in time.

  • Physicists detect signs of neutrinos at...
    on November 26, 2021 at 9:49 AM

    The international Forward Search Experiment team, led by physicists at the University of California, Irvine, has achieved the first-ever detection of neutrino candidates produced by the Large Hadron Collider at the CERN facility near Geneva, Switzerland.

  • A doubly magic discovery
    on November 25, 2021 at 4:05 PM

    A team of researchers, including scientists from the National Superconducting Cyclotron Laboratory (NSCL) and the Facility for Rare Isotope Beams (FRIB) at Michigan State University (MSU), have solved the case of zirconium-80's missing mass.

  • A doubly magic discovery
    on November 25, 2021 at 4:05 PM

    A team of researchers, including scientists from the National Superconducting Cyclotron Laboratory (NSCL) and the Facility for Rare Isotope Beams (FRIB) at Michigan State University (MSU), have solved the case of zirconium-80's missing mass.

  • On-chip frequency shifters in the...
    on November 24, 2021 at 5:59 PM

    The ability to precisely control and change properties of a photon, including polarization, position in space, and arrival time, gave rise to a wide range of communication technologies we use today, including the Internet. The next generation of photonic technologies, such as photonic quantum […]

  • A new artificial material mimics...
    on November 24, 2021 at 4:00 PM

    Physicists have created a new ultra-thin, two-layer material with quantum properties that normally require rare earth compounds. This material, which is relatively easy to make and does not contain rare earth metals, could provide a new platform for quantum computing and advance research into […]

  • Electrons set the stage for neutrino...
    on November 24, 2021 at 4:00 PM

    Neutrinos may be the key to finally solving a mystery of the origins of our matter-dominated universe, and preparations for two major, billion-dollar experiments are underway to reveal the particles' secrets. Now, a team of nuclear physicists have turned to the humble electron to provide insight […]

  • Energy transition in an artificial atom...
    on November 24, 2021 at 2:05 PM

    Researchers from Basel and Bochum have succeeded in addressing an apparently unattainable energy transition in an artificial atom using laser light. Making use of the so-called radiative Auger process, they were the first team to specifically excite it. In this process, an electron falls from a […]

  • Rare Einstein papers set record at...
    on November 23, 2021 at 6:56 PM

    Albert Einstein's handwritten notes for the theory of relativity fetched a record 11.6 million euros ($13 million) at an auction in Paris on Tuesday.

  • Study predicts the behavior of a Kondo...
    on November 23, 2021 at 5:20 PM

    In recent years, many physicists worldwide have been investigating the behavior of hybrid nanostructures. These are systems that are typically made up of two or more materials. Special attention in this class of structures is paid to magnetic impurities interacting with superconducting and normal […]

  • Origami, kirigami inspire mechanical...
    on November 23, 2021 at 4:00 PM

    The ancient arts of origami, the art of paper-folding, and kirigami, the art of paper-cutting, have gained popularity in recent years among researchers building mechanical metamaterials. Folding and cutting 2D thin-film materials transforms them into complex 3D structures and shapes with unique and […]

  • Heat flow controls the movement of...
    on November 22, 2021 at 1:06 PM

    Tiny amounts of heat can be used to control the movement of magnetic whirlpools called skyrmions, RIKEN physicists have shown. This ability could help to develop energy-efficient forms of computing that harness waste heat.

  • Skyrmions: Fundamental particles...
    on November 22, 2021 at 10:00 AM

    Scientists at the University of Birmingham have succeeded in creating an experimental model of an elusive kind of fundamental particle called a skyrmion in a beam of light.

  • Rare Einstein manuscript set to fetch...
    on November 21, 2021 at 7:45 PM

    A rare manuscript by theoretical physicist Albert Einstein goes under the hammer in Paris on Tuesday, with auctioneers aiming for a stratospheric price tag.

  • Modeling quantum spin liquids using...
    on November 19, 2021 at 2:18 PM

    The properties of a complex and exotic state of a quantum material can be predicted using a machine learning method created by a RIKEN researcher and a collaborator. This advance could aid the development of future quantum computers.

  • How ultracold, superdense atoms become...
    on November 18, 2021 at 7:00 PM

    An atom's electrons are arranged in energy shells. Like concertgoers in an arena, each electron occupies a single chair and cannot drop to a lower tier if all its chairs are occupied. This fundamental property of atomic physics is known as the Pauli exclusion principle, and it explains the shell […]

  • Energizer atoms: Physicists find new...
    on November 18, 2021 at 7:00 PM

    JILA researchers have tricked nature by tuning a dense quantum gas of atoms to make a congested "Fermi sea," thus keeping atoms in a high-energy state, or excited, for about 10% longer than usual by delaying their normal return to the lowest-energy state. The technique might be used to improve […]

  • Revolution in imaging with neutrons
    on November 18, 2021 at 3:06 PM

    An international research team at the Research Neutron Source Heinz Maier-Leibnitz (FRM II) of the Technical University of Munich (TUM) have developed a new imaging technology. In the future this technology could not only improve the resolution of neutron measurements by many times but could also […]

  • Iodine successfully tested in satellite...
    on November 18, 2021 at 2:10 PM

    A team of researchers from ThrustMe, working with colleagues from Sorbonne Université, has successfully tested the use of iodine as an ionizing agent in an ion-thrusting spacecraft engine. In their paper published in the journal Nature, the group describes their two-year test of the chemical […]

  • New study helps to understand...
    on November 18, 2021 at 12:38 PM

    An international research team has recently updated the 7Li(d,n)24He reaction rate based on latest experimental data, which removes the significant ambiguity in the cosmological lithium (Li) problem from the perspective of nuclear physics.