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  • Heat-free optical switch would enable...
    on March 3, 2021 at 2:30 PM

    In a potential boost for quantum computing and communication, a European research collaboration reported a new method of controlling and manipulating single photons without generating heat. The solution makes it possible to integrate optical switches and single-photon detectors in a single chip.

  • Researchers unveil issues with nuclear...
    on March 3, 2021 at 2:30 PM

    Measuring the size of atomic nuclei has sometimes been useful to probe aspects of nucleon-nucleon interaction and the bulk properties of nuclear matter. The charge radius of atomic nuclei, which can be extracted using laser spectroscopy techniques, is sensitive to both the bulk properties of […]

  • Researchers unveil issues with nuclear...
    on March 3, 2021 at 2:30 PM

    Measuring the size of atomic nuclei has sometimes been useful to probe aspects of nucleon-nucleon interaction and the bulk properties of nuclear matter. The charge radius of atomic nuclei, which can be extracted using laser spectroscopy techniques, is sensitive to both the bulk properties of […]

  • The Large Hadron Collider's official...
    on March 3, 2021 at 1:26 PM

    How many new particles has the LHC discovered? The most widely known discovery is of course that of the Higgs boson. Less well known is the fact that, over the past 10 years, the LHC experiments have also found more than 50 new particles called hadrons. Coincidentally, the number 50 appears in the […]

  • The Large Hadron Collider's official...
    on March 3, 2021 at 1:26 PM

    How many new particles has the LHC discovered? The most widely known discovery is of course that of the Higgs boson. Less well known is the fact that, over the past 10 years, the LHC experiments have also found more than 50 new particles called hadrons. Coincidentally, the number 50 appears in the […]

  • Researchers realize quantum...
    on March 3, 2021 at 1:20 PM

    Few terms are more ubiquitous in the scientific arena these days than "quantum."

  • Model describes interactions between...
    on March 2, 2021 at 5:45 PM

    Optomechanical microcavities are extremely small structures with diameters of less than 10 micrometers (about a tenth of a human hair) inside which light and mechanical vibrations are confined. Thanks to their small size and to efficient microfabrication techniques that enable them to hold intense […]

  • Photon-photon polaritons: the...
    on March 2, 2021 at 5:40 PM

    Scientists at the University of Bath in the UK have found a way to bind together two photons of different colors, paving the way for important advancements in quantum-electrodynamics—the field of science that describes how light and matter interact. In time, the team's findings are likely to […]

  • A quantum internet is closer to...
    on March 2, 2021 at 5:37 PM

    When quantum computers become more powerful and widespread, they will need a robust quantum internet to communicate.

  • A quantum internet is closer to...
    on March 2, 2021 at 5:37 PM

    When quantum computers become more powerful and widespread, they will need a robust quantum internet to communicate.

  • Complex fluid dynamics may explain...
    on March 2, 2021 at 4:00 PM

    When a vehicle travels over a wet or flooded road, water builds up in front of the tire and generates a lift force. In a phenomenon known as hydroplaning, this force can become large enough to lift the vehicle off the ground.

  • How does plastic debris make its way...
    on March 2, 2021 at 4:00 PM

    Tons of plastic debris get released into the ocean every day, and most of it accumulates within the middle of garbage patches, which tend to float on the oceans' surface in the center of each of their regions. The most infamous one, known as the Great Pacific Garbage Patch, is in the North Pacific […]

  • Theoretical interpretations of the...
    on March 2, 2021 at 2:30 PM

    The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) is a gravitational-wave detector that monitors areas in the vicinity of Earth using a network of pulsars (i.e., clock-like stars). At the end of 2020, the NANOGrav collaboration gathered evidence of fluctuations in the […]

  • Interesting pattern in cross-sections...
    on March 1, 2021 at 2:35 PM

    A team of researchers from the University of Science and Technology of China, the Chinese Academy of Sciences and the Southern University of Science and Technology, has discovered a thought-provoking pattern in cross-sections observed in an F + HD → HF + D reaction. In their paper published in […]

  • Interesting pattern in cross-sections...
    on March 1, 2021 at 2:35 PM

    A team of researchers from the University of Science and Technology of China, the Chinese Academy of Sciences and the Southern University of Science and Technology, has discovered a thought-provoking pattern in cross-sections observed in an F + HD → HF + D reaction. In their paper published in […]

  • When foams collapse (and when they...
    on March 1, 2021 at 12:23 PM

    Researchers from Tokyo Metropolitan University have revealed how liquid foams collapse by observing individual collapse events with high-speed video microscopy. They found that cracks in films led to a receding liquid front that sweeps up the original film border, inverts its shape, and releases a […]

  • Radioactivity in meteorites sheds light...
    on February 26, 2021 at 7:39 PM

    A team of international researchers went back to the formation of the solar system 4.6 billion years ago to gain new insights into the cosmic origin of the heaviest elements on the period-ic table.

  • Study reveals cause of 3-D asymmetry in...
    on February 26, 2021 at 12:49 PM

    Inertial confinement fusion (ICF) implosions require very high levels of symmetry in order to reach the high densities and temperatures required for fusion induced self-heating. Even percent-level deviations from perfect spherical symmetry can lead to significant distortions of the implosion and […]

  • Nuclear physicists on the hunt for...
    on February 26, 2021 at 8:14 AM

    While protons populate the nucleus of every atom in the universe, sometimes they can be squeezed into a smaller size and slip out of the nucleus for a romp on their own. Observing these squeezed protons may offer unique insights into the particles that build our universe.

  • Scientists develop laser system that...
    on February 25, 2021 at 8:09 PM

    An international team of scientists has developed a system that can generate random numbers over a hundred times faster than current technologies, paving the way towards faster, cheaper, and more secure data encryption in today's digitally connected world.

  • Researchers prove fragments of...
    on February 25, 2021 at 2:50 PM

    A large international team of researchers has proven that fragments of splitting atomic nuclei begin spinning after scission occurs during nuclear fission. In their paper published in the journal Nature, the group describes their experiments, which may one day fully explain why such fragments begin […]

  • Researchers discover mechanism behind...
    on February 25, 2021 at 12:42 PM

    Recently, researchers led by Prof. Zhou Haishan from the Institute of Plasma Physics (ASIPP) of the Hefei Institutes of Physical Science (HFIPS) reported their new findings about the influence of irradiation effects on hydrogen permeation through alpha-alumina (α-Al2O3) tritium permeation barrier […]

  • Researchers send entangled qubit states...
    on February 25, 2021 at 12:41 PM

    In a breakthrough for quantum computing, University of Chicago researchers have sent entangled qubit states through a communication cable linking one quantum network node to a second node.

  • Research shows how single celled algae...
    on February 24, 2021 at 5:46 PM

    Scientists have made a pivotal breakthrough in the quest to understand how single-cell green algae are able to keep track of the light as they swim.

  • Optimality in self-organized molecular...
    on February 24, 2021 at 5:38 PM

    The eukaryotic cell is the basic unit of animals and plants. Through the microscope, it looks highly structured and subdivided in many membrane-bound compartments. Each compartment has a specific function, and its membrane is populated by specific molecules. How does the cell preserve this amazing […]

  • Nature's funhouse mirror: Understanding...
    on February 24, 2021 at 4:00 PM

    Asymmetry in the proton confounds physicists, but a new discovery may bring back old theories to explain it.

  • Experiment reveals new options for...
    on February 24, 2021 at 4:00 PM

    Accelerator experts from the Helmholtz-Zentrum Berlin (HZB), the German federal metrology institute Physikalisch-Technische Bundesanstalt (PTB) and Tsinghua University in Beijing have used a laser to manipulate electron bunches at PTB's Metrology Light Source so that they emitted intense light […]

  • Researchers produce beams of entangled...
    on February 24, 2021 at 3:21 PM

    Heads or tails? If we toss two coins into the air, the result of one coin toss has nothing to do with the result of the other. Coins are independent objects. In the world of quantum physics, things are different: Quantum particles can be entangled, in which case they can no longer be regarded as […]

  • World's first video of a space-time...
    on February 24, 2021 at 3:18 PM

    A German-Polish research team has succeeded in creating a micrometer-sized space-time crystal consisting of magnons at room temperature. With the help of the scanning transmission X-ray microscope Maxymus at Bessy II at Helmholtz Zentrum Berlin, they were able to film the recurring periodic […]

  • Researchers capture how materials break...
    on February 24, 2021 at 2:59 PM

    Understanding how materials deform and catastrophically fail when impacted by a powerful shock is crucial in a wide range of fields, including astrophysics, materials science and aerospace engineering. But until recently, the role of voids, or tiny pores, in such a rapid process could not be […]

  • After 20 years, physicists find a way...
    on February 23, 2021 at 9:02 PM

    A high-intensity accelerator beam is formed of trillions of particles that race at lightning speeds down a system of powerful magnets and high-energy superconductors. Calculating the physics of the beam is so complex that not even the fastest supercomputers can keep up.

  • Spintronics: New production method...
    on February 23, 2021 at 5:55 PM

    New storage and information technology requires new higher performance materials. One of these materials is yttrium iron garnet, which has special magnetic properties. Thanks to a new process, it can now be transferred to any material. Developed by physicists at Martin Luther University […]

  • High energy radiotherapy could 'paint'...
    on February 23, 2021 at 3:37 PM

    A radiotherapy technique which 'paints' tumors by targeting them precisely, and avoiding healthy tissue, has been devised in research led by the University of Strathclyde.

  • Ion-optics-based quantum microscope can...
    on February 23, 2021 at 2:09 PM

    A team of researchers at Universität Stuttgart has developed an ion-optics-based quantum microscope that is capable of creating images of individual atoms. In their paper published in the journal Physical Review Letters, the group explains how they built their microscope and how well it worked […]

  • Lack of symmetry in qubits can't fix...
    on February 22, 2021 at 9:43 PM

    A team of quantum theorists seeking to cure a basic problem with quantum annealing computers—they have to run at a relatively slow pace to operate properly—found something intriguing instead. While probing how quantum annealers perform when operated faster than desired, the team unexpectedly […]

  • Researchers create 'beautiful marriage'...
    on February 22, 2021 at 9:43 PM

    Cornell University scientists have identified a new contender when it comes to quantum materials for computing and low-temperature electronics.

  • New storage medium uses physical...
    on February 22, 2021 at 2:50 PM

    Using nanoscale quantum sensors, an international research team has succeeded in exploring certain previously uncharted physical properties of an antiferromagnetic material. Based on their results, the researchers developed a concept for a new storage medium published in the journal Nature Physics. […]

  • New storage medium uses physical...
    on February 22, 2021 at 2:50 PM

    Using nanoscale quantum sensors, an international research team has succeeded in exploring certain previously uncharted physical properties of an antiferromagnetic material. Based on their results, the researchers developed a concept for a new storage medium published in the journal Nature Physics. […]

  • A new study reveals that quantum...
    on February 22, 2021 at 2:49 PM

    Quantum biology is an emerging field of science, established in the 1920s, which looks at whether the subatomic world of quantum mechanics plays a role in living cells. Quantum mechanics is an interdisciplinary field by nature, bringing together nuclear physicists, biochemists and molecular […]

  • A new study reveals that quantum...
    on February 22, 2021 at 2:49 PM

    Quantum biology is an emerging field of science, established in the 1920s, which looks at whether the subatomic world of quantum mechanics plays a role in living cells. Quantum mechanics is an interdisciplinary field by nature, bringing together nuclear physicists, biochemists and molecular […]

  • Magnetic effect without a magnet
    on February 22, 2021 at 2:36 PM

    Electric current is deflected by a magnetic field—in conducting materials, this leads to the so-called Hall effect. This effect is often used to measure magnetic fields. A surprising discovery has now been made at TU Wien, in collaboration with scientists from the Paul Scherrer Institute […]

  • Heat loss control method in fusion...
    on February 22, 2021 at 2:15 PM

    The core of a fusion reactor is incredibly hot. Hydrogen that inevitably escapes from it must be cooled on its way to the wall, as otherwise, the reactor wall would be damaged. Researchers from the Dutch institute DIFFER and EPFL's Swiss Plasma Center have developed a strict measurement and control […]

  • Optical frequency combs with a new...
    on February 22, 2021 at 12:53 PM

    Periodic pulses of light forming a comb in the frequency domain are widely used for sensing and ranging. The key to the miniaturization of this technology toward chip-integrated solutions is the generation of dissipative solitons in ring-shaped microresonators. Dissipative solitons are stable […]

  • A speed limit also applies in the...
    on February 19, 2021 at 10:28 PM

    Even in the world of the smallest particles with their own special rules, things cannot proceed infinitely fast. Physicists at the University of Bonn have now shown what the speed limit is for complex quantum operations. The study also involved scientists from MIT, the universities of Hamburg, […]

  • Physicists discover new route to active...
    on February 19, 2021 at 3:59 PM

    An international team led by Professor Yilin Wu, Associate Professor of the Department of Physics at The Chinese University of Hong Kong (CUHK) has made a novel conceptual advance in the field of active matter science. The team discovered a new route in which the self-organization of active fluids […]

  • Extending maser techniques to Floquet...
    on February 19, 2021 at 2:59 PM

    A team of researchers affiliated with several institutions in China and one in Germany has investigated the possibility of extending maser techniques to Floquet systems. In their paper published in the journal Science Advances, the group describes their approach to creating a new type of maser by […]

  • Researchers observe stationary Hawking...
    on February 19, 2021 at 2:40 PM

    Black holes are regions in space where gravity is very strong—so strong that nothing that enters them can escape, including light. Theoretical predictions suggest that there is a radius surrounding black holes known as the event horizon. Once something passes the event horizon, it can no longer […]

  • Seeing stable topology using...
    on February 19, 2021 at 2:09 PM

    We are most familiar with the four conventional phases of matter: solid, liquid, gas, and plasma. Changes between two phases, known as phase transitions, are marked by abrupt changes in material properties such as density. In recent decades a wide body of physics research has been devoted to […]

  • Potassium nucleus loses some of its...
    on February 19, 2021 at 1:51 PM

    A new study at ISOLDE finds no signature of a "magic" number of neutrons in potassium-51, challenging the proposed magic nature of nuclei with 32 neutrons.

  • CSI Solid-State: The fingerprints of...
    on February 19, 2021 at 1:45 PM

    In solid-state physics, the precise interactions of electrons are analyzed through meticulous detective work, ultimately to gain a better understanding of fundamental physical phenomena.

  • Engineers place molecule-scale devices...
    on February 18, 2021 at 8:27 PM

    Engineers have developed a technique that allows them to precisely place microscopic devices formed from folded DNA molecules in not only a specific location but also in a specific orientation.

  • Investigating the wave properties of...
    on February 18, 2021 at 8:22 PM

    The working group led by Prof. Stephan Schiller, Ph.D. from Heinrich Heine University Düsseldorf (HHU) has used a novel, high-precision laser spectroscopic experiment to measure the internal vibration of the simplest molecule. This allowed the researchers to investigate the wave character of the […]

  • Quantum computing: When ignorance is...
    on February 18, 2021 at 4:56 PM

    Quantum computers promise not only to outperform classical machines in certain important tasks, but also to maintain the privacy of data processing. The secure delegation of computations has been an increasingly important issue since the possibility of utilizing cloud computing and cloud networks. […]

  • Blueprint for fault-tolerant qubits
    on February 18, 2021 at 4:56 PM

    Building a universal quantum computer is a challenging task because of the fragility of quantum bits, or qubits for short. To deal with this problem, various types of error correction have been developed. Conventional methods do this by active correction techniques. In contrast, researchers led by […]

  • D-Wave demonstrates performance...
    on February 18, 2021 at 3:40 PM

    D-Wave Systems Inc. today published a milestone study in collaboration with scientists at Google, demonstrating a computational performance advantage, increasing with both simulation size and problem hardness, to over 3 million times that of corresponding classical methods. Notably, this work was […]

  • The search for electron-hole liquids...
    on February 18, 2021 at 1:47 PM

    An electron-hole liquid is a unique collective quantum state formation in semiconductors where free charges can condense into a droplet. These droplets have interesting uses for laser-controlled circuits based on light beams instead of wires. Unfortunately, electron-hole liquids normally only exist […]

  • New advances using exotic matter may...
    on February 18, 2021 at 1:43 PM

    In the 1960s, an exotic phase of matter known as an excitonic insulator was proposed. Decades later, evidence for this phase was found in real materials. Recently, particular attention has centered on Ta2NiSe5 because an excitonic insulator phase may exist in this material at room temperatures. The […]

  • Quantum collaboration gives new gravity...
    on February 17, 2021 at 8:13 PM

    Scientists have used cutting-edge research in quantum computation and quantum technology to pioneer a radical new approach to determining how our Universe works at its most fundamental level.

  • Dual character of excitons in the...
    on February 16, 2021 at 3:35 PM

    Excitons are quasiparticles which can transport energy through solid substances. This makes them important for the development of future materials and devices—but more research is needed to understand their fundamental behavior and how to manipulate it. Researchers at Politecnico di Milano in […]

  • Sloshing quantum fluids of light and...
    on February 16, 2021 at 2:33 PM

    The 'sloshing' of a quantum fluid comprised of light and matter reveals superfluid properties.