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  • Researchers discover what causes some...
    on December 2, 2022 at 5:02 PM

    Experimental physicists at the University of Toronto are closer to understanding why some icicles form with ripples up and down their outsides, while others form with smooth, slick, even surfaces.

  • Changing the color of quantum light on...
    on December 1, 2022 at 9:46 PM

    Optical photons are ideal carriers of quantum information. But to work together in a quantum computer or network, they need to have the same color—or frequency—and bandwidth. Changing a photon's frequency requires altering its energy, which is particularly challenging on integrated photonic […]

  • Discovery of a novel quantum state...
    on December 1, 2022 at 6:02 PM

    Water that simply will not freeze, no matter how cold it gets—a research group involving the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has discovered a quantum state that could be described in this way.

  • Particle physics in a humble glass...
    on December 1, 2022 at 5:50 PM

    Scientists from the University of Rostock, Germany were able to recreate fundamental physical properties from the realm of elementary particle physics in a photonic system. The results are published in Nature Physics.

  • Making sense of coercivity in magnetic...
    on December 1, 2022 at 4:06 PM

    Soft magnetic materials, i.e., materials that can be easily magnetized and demagnetized, play an essential role in transformers, generators, and motors. The ability of a magnetic material to resist an external magnetic field without changing its magnetization is known as "coercivity," a property […]

  • Predicting new quantum echoes:...
    on December 1, 2022 at 2:37 PM

    The quantum realm of atomic particles is embedded with randomness. Still, precise control of quantum systems, such as quantum computers, is of great importance for modern quantum science and prospective quantum technology.

  • Researchers demonstrate light-induced...
    on November 30, 2022 at 9:15 PM

    Motion is everywhere in living systems and is necessary for mechanical functions in artificial systems, such as robots and machines. Functional mechanical structures that can change volume and shape in response to external stimuli (such as light, heat, electricity, humidity, and chemistry) have a […]

  • Physicists produce symmetry-protected...
    on November 30, 2022 at 8:57 PM

    Physicists at Google Quantum AI have used their quantum computer to study a type of effective particle that is more resilient to environmental disturbances that can degrade quantum calculations. These effective particles, known as Majorana edge modes, form as a result of a collective excitation of […]

  • Nuclear popcorn: Heavy nucleus changes...
    on November 30, 2022 at 7:34 PM

    A new paper sheds light on the nature of atomic nuclei. The study is published in the journal Physical Review C.

  • Nuclear popcorn: Heavy nucleus changes...
    on November 30, 2022 at 7:34 PM

    A new paper sheds light on the nature of atomic nuclei. The study is published in the journal Physical Review C.

  • Physicists observe wormhole dynamics...
    on November 30, 2022 at 4:00 PM

    Scientists have, for the first time, developed a quantum experiment that allows them to study the dynamics, or behavior, of a special kind of theoretical wormhole. The experiment has not created an actual wormhole (a rupture in space and time), rather it allows researchers to probe connections […]

  • Physicists observe wormhole dynamics...
    on November 30, 2022 at 4:00 PM

    Scientists have, for the first time, developed a quantum experiment that allows them to study the dynamics, or behavior, of a special kind of theoretical wormhole. The experiment has not created an actual wormhole (a rupture in space and time), rather it allows researchers to probe connections […]

  • Quantum leap for research into...
    on November 30, 2022 at 4:00 PM

    Scientists at Heriot-Watt University in Edinburgh, Scotland, have published new research into the phenomenon known as quantum entanglement. This is when two particles—such as photons of light—remain connected even when they're separated by vast distances.

  • Researchers find junction is key in how...
    on November 30, 2022 at 3:47 PM

    What laws govern how chemicals pass through filters? How do droplets of oil move through layers of stone? How do blood cells travel through a living organism? A team of researchers led by the Technical University of Munich (TUM) and the Max Planck Institute for Dynamics and Self-Organization […]

  • The Kibble-Zurek mechanism for...
    on November 30, 2022 at 2:54 PM

    The Kibble-Zurek (KZ) mechanism, confirmed experimentally only for equilibrium phase transitions, is also applicable for non-equilibrium phase transitions, as is now shown by Tokyo Tech researchers in a new study. The KZ mechanism is characterized by the formation of topological defects during […]

  • Pulses driven by artificial...
    on November 30, 2022 at 2:27 PM

    It's easy to control the trajectory of a basketball: Just apply mechanical force coupled with human skill. But controlling the movement of quantum systems such as atoms and electrons is much more challenging, as these minuscule scraps of matter often fall prey to perturbations that knock them off […]

  • The observation of an anomalous Hall...
    on November 30, 2022 at 2:20 PM

    The Hall effect is a conduction phenomenon discovered by physicist Edwin Herbert Hall that describes the development of a transverse electric field in solid materials carrying electric current that are placed in a magnetic field perpendicular to this current. In the 1950s, Martin Karplus and […]

  • New quantum computing feat is a modern...
    on November 30, 2022 at 8:46 AM

    A team of quantum engineers at UNSW Sydney has developed a method to reset a quantum computer—that is, to prepare a quantum bit in the '0' state—with very high confidence, as needed for reliable quantum computations. The method is surprisingly simple: it is related to the old concept of […]

  • Studying muonium to reveal new physics...
    on November 29, 2022 at 2:37 PM

    By studying an exotic atom called muonium, researchers are hoping misbehaving muons will spill the beans on the Standard Model of particle physics. To make muonium, they use the most intense continuous beam of low energy muons in the world at Paul Scherrer Institute PSI. The research is published […]

  • Microscopic chains that mimic DNA
    on November 29, 2022 at 1:53 PM

    Circular polycatenanes are chains that can move and change shape: they twist, stretch and wrap around themselves. Three physicists of the European Eutopia Cost network, coordinated by UniTrento, have dedicated themselves to the study of these structures.

  • Researchers realize long-lived storage...
    on November 29, 2022 at 1:45 PM

    Recently, a team led by Prof. Guo Guangcan achieved long-lived storage of high-dimensional orbital angular momentum (OAM) quantum states of photons based on cold atomic ensembles, using a guiding magnetic field combined with clock state preparation. Their work was published in Physical Review […]

  • New research unearths obscure and...
    on November 28, 2022 at 8:47 PM

    UCLA researchers and their colleagues have discovered a new physics principle governing how heat transfers through materials, and the finding contradicts the conventional wisdom that heat always moves faster as pressure increases.

  • Physicist identifies how electron...
    on November 28, 2022 at 5:09 PM

    The mysterious changes in phases of matter—from solid to liquid and back again—have fascinated Eun-Ah Kim since she was in lower elementary school in South Korea. Without cold drinking water readily available, on hot days the children would bring bottles of frozen water to school.

  • Physicist identifies how electron...
    on November 28, 2022 at 5:09 PM

    The mysterious changes in phases of matter—from solid to liquid and back again—have fascinated Eun-Ah Kim since she was in lower elementary school in South Korea. Without cold drinking water readily available, on hot days the children would bring bottles of frozen water to school.

  • Creating quantum-entangled networks of...
    on November 28, 2022 at 5:04 PM

    Researchers affiliated with the Q-NEXT quantum research center show how to create quantum-entangled networks of atomic clocks and accelerometers—and they demonstrate the setup's superior, high-precision performance.

  • A scalable quantum memory with a...
    on November 28, 2022 at 2:50 PM

    Quantum memory devices can store data as quantum states instead of binary states, as classical computer memories do. While some existing quantum memory technologies have achieved highly promising results, several challenges will need to be overcome before they can be implemented on a large scale.

  • Researchers certify device-independent...
    on November 28, 2022 at 2:34 PM

    Prof. Li Chuanfeng, Prof. Huang Yunfeng, Prof. Chen Geng, and their colleagues from Prof. Guo Guangcan's group at the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), collaborating with Swiss academicians, have certified device-independent genuine […]

  • Synchronizing chaos through a narrow...
    on November 25, 2022 at 6:51 PM

    The abstract notion that the whole can be found in each part of something has for long fascinated thinkers engaged in all walks of philosophy and experimental science, from Immanuel Kant on the essence of time to David Bohm on the notion of order, and from the self-similarity of fractal structures […]

  • Synchronizing chaos through a narrow...
    on November 25, 2022 at 6:51 PM

    The abstract notion that the whole can be found in each part of something has for long fascinated thinkers engaged in all walks of philosophy and experimental science, from Immanuel Kant on the essence of time to David Bohm on the notion of order, and from the self-similarity of fractal structures […]

  • First lead-ion collisions in the Large...
    on November 25, 2022 at 5:19 PM

    On Friday, November 18, a test using collisions of lead ions was carried out in the Large Hadron Collider (LHC) and provided an opportunity for the experiments to validate the new detectors and new data-processing systems ahead of next year's lead-lead physics run.

  • First lead-ion collisions in the Large...
    on November 25, 2022 at 5:19 PM

    On Friday, November 18, a test using collisions of lead ions was carried out in the Large Hadron Collider (LHC) and provided an opportunity for the experiments to validate the new detectors and new data-processing systems ahead of next year's lead-lead physics run.

  • Electron pairing in quantum dots as a...
    on November 25, 2022 at 3:10 PM

    Scientists from QuTech and Eindhoven University of Technology have taken a next step in qubit research. Qubits are one of the building blocks of a future quantum computer. The researchers—including Sasa Gazibegovic, Ghada Badawy and Erik Bakkers from TU/e—have published their results in Nature […]

  • Evidence of Higgs boson contributions...
    on November 25, 2022 at 2:40 PM

    The Higgs boson, the fundamental subatomic particle associated with the Higgs field, was first discovered in 2012 as part of the ATLAS and CMS experiments, both of which analyze data collected at CERN's Large Hadron Collider (LHC), the most powerful particle accelerator in existence. Since the […]

  • Using machine learning to infer rules...
    on November 25, 2022 at 2:30 PM

    Mechanical metamaterials are sophisticated artificial structures with mechanical properties that are driven by their structure, rather than their composition. While these structures have proved to be very promising for the development of new technologies designing them can be both challenging and […]

  • Physicists strike gold, solving 50-year...
    on November 24, 2022 at 9:59 AM

    The chances of being struck by lightning are less than one in a million, but those odds shortened considerably this month when more than 4.2 million lightning strikes were recorded in every Australian state and territory over the weekend of 12-13 November.

  • Transporting of two-photon quantum...
    on November 23, 2022 at 5:33 PM

    Invented in 1970 by Corning Incorporated, low-loss optical fiber became the best means to efficiently transport information from one place to another over long distances without loss of information. The most common way of data transmission nowadays is through conventional optical fibers—one […]

  • Spin correlation between paired...
    on November 23, 2022 at 4:00 PM

    Physicists at the University of Basel have experimentally demonstrated for the first time that there is a negative correlation between the two spins of an entangled pair of electrons from a superconductor. For their study, the researchers used spin filters made of nanomagnets and quantum dots, as […]

  • The interplay between epidemics,...
    on November 22, 2022 at 4:00 PM

    When an epidemic strikes, more than just infections spread. As cases mount, information about the disease, how to spot it, and how to prevent it propagates rapidly among people in affected areas as well. Relatively little is known, however, about the interplay between the course of epidemics and […]

  • Microlaser chip adds new dimensions to...
    on November 21, 2022 at 9:44 PM

    Researchers at Penn Engineering have created a chip that outstrips the security and robustness of existing quantum communications hardware. Their technology communicates in "qudits," doubling the quantum information space of any previous on-chip laser.

  • Researchers report new technique to...
    on November 21, 2022 at 4:04 PM

    The fine structure constant is one of the most important natural constants of all. At TU Wien, a remarkable way of measuring it has been found—it shows up as a rotation angle.

  • Researchers report new technique to...
    on November 21, 2022 at 4:04 PM

    The fine structure constant is one of the most important natural constants of all. At TU Wien, a remarkable way of measuring it has been found—it shows up as a rotation angle.

  • Connectivity of 3D structures in...
    on November 21, 2022 at 4:00 PM

    Organs in the human body have complex networks of fluid-filled tubes and loops. They come in different shapes, and their three-dimensional structures are differently connected to each other, depending on the organ. During the development of an embryo, organs develop their shape and tissue […]

  • Fluxonium qubits bring the creation of...
    on November 21, 2022 at 2:26 PM

    Russian scientists from University of Science and Technology MISIS and Bauman Moscow State Technical University were one of the first in the world to implement a two-qubit operation using superconducting fluxonium qubits. Fluxoniums have a longer life cycle and a greater precision of operations, so […]

  • Researchers control individual light...
    on November 21, 2022 at 2:10 PM

    A team of German and Spanish researchers from Valencia, Münster, Augsburg, Berlin and Munich have succeeded in controlling individual light quanta to an extremely high degree of precision. In Nature Communications, the researchers report how, by means of a soundwave, they switch individual photons […]

  • New quantum tool: Experimental...
    on November 21, 2022 at 1:48 PM

    For the first time in experimental history, researchers at the Institute for Quantum Computing (IQC) have created a device that generates twisted neutrons with well-defined orbital angular momentum. Previously considered an impossibility, this groundbreaking scientific accomplishment provides a […]

  • Global timekeepers vote to scrap leap...
    on November 18, 2022 at 5:52 PM

    Scientists and government representatives meeting at a conference in France voted on Friday to scrap leap seconds by 2035, the organization responsible for global timekeeping said.

  • A new experiment pushes the boundaries...
    on November 17, 2022 at 9:38 PM

    New research conducted by Princeton University physicists is delving with high resolution into the complex and fascinating world of topological quantum matter—a branch of physics that studies the inherent quantum properties of materials that can be deformed but not intrinsically changed. By […]

  • First-of-its-kind experimental evidence...
    on November 17, 2022 at 5:44 PM

    Most people are familiar with solids, liquids, and gases as three states of matter. However, a fourth state of matter, called plasmas, is the most abundant form of matter in the universe, found throughout our solar system in the sun and other planetary bodies.

  • Physics study shows that sheep flocks...
    on November 17, 2022 at 4:20 PM

    The collective motion of animals in a group is a fascinating topic of research for many scientists. Understanding these collective behaviors can sometimes inspire the development of strategies for promoting positive social change, as well as technologies that emulate nature.

  • Recent searches for light fermionic...
    on November 14, 2022 at 4:40 PM

    Teams of astrophysicists worldwide are trying to observe different possible types of dark matter (DM), hypothetical matter in the universe that does not emit, absorb or reflect light and would thus be very difficult to detect. Fermionic DM, however, which would be made of fermions, has so far been […]

  • The mathematics that makes us realize...
    on November 11, 2022 at 5:29 PM

    Spin glasses are alloys formed by noble metals in which a small amount of iron is dissolved. Although they do not exist in nature and have few applications, they have nevertheless been the focus of interest of statistical physicists for some 50 years. Studies of spin glasses were crucial for […]

  • Synthetic black holes radiate like real...
    on November 11, 2022 at 4:59 PM

    Research led by the University of Amsterdam has demonstrated that elusive radiation coming from black holes can be studied by mimicking it in the lab.

  • Researchers reveal secret of ultra-slow...
    on November 11, 2022 at 3:39 PM

    In a study recently published in Nature Materials, Prof. Wang Shutao from the Technical Institute of Physics and Chemistry (TICP) of the Chinese Academy of Sciences (CAS) and Prof. Liu Huan from Beihang University revealed the secret of ultra-slow motion of pine cones and developed mimicking […]

  • 'One of the greatest damn mysteries of...
    on November 11, 2022 at 8:01 AM

    There's an awkward, irksome problem with our understanding of nature's laws which physicists have been trying to explain for decades. It's about electromagnetism, the law of how atoms and light interact, which explains everything from why you don't fall through the floor to why the sky is blue.

  • Truly chiral phonons observed in...
    on November 9, 2022 at 8:33 PM

    Chirality is the breaking of reflection and inversion symmetries. Simply put, it is when an object's mirror images cannot be superimposed over each other. A common example are your two hands—while mirror images of each other, they can never overlap. Chirality appears at all levels in nature and […]

  • Physical theory describes movements of...
    on November 9, 2022 at 2:47 PM

    They are only very simple structures, but without them we could not survive: Countless tiny hairs (cilia) are found on the outer wall of some cells, for example in our lungs or in our brain. When these micrometer-sized hairs coordinate their movement and produce wave-like movements together, they […]

  • Exploring the surface melting of...
    on November 4, 2022 at 2:53 PM

    In 1842, the famous British researcher Michael Faraday made an amazing observation by chance: A thin layer of water forms on the surface of ice, even though it is well below zero degrees. The temperature is below the melting point of ice, yet the surface of the ice has melted. This liquid layer on […]

  • IceCube neutrinos give us first glimpse...
    on November 3, 2022 at 7:00 PM

    For the first time, an international team of scientists have found evidence of high-energy neutrino emission from NGC 1068, also known as Messier 77, an active galaxy in the constellation Cetus and one of the most familiar and well-studied galaxies to date. First spotted in 1780, this galaxy, […]

  • Physicists shed new light on unanswered...
    on November 3, 2022 at 3:21 PM

    Glasses are peculiar materials exhibiting excellent and well-known properties, but also some phenomena that are still not fully understood, even though they have been studied for more than a century. In particular, researchers have not yet reached a complete description of the glass formation […]

  • Researchers collaborate to better...
    on November 1, 2022 at 5:51 PM

    The weak nuclear force is currently not entirely understood, despite being one of the four fundamental forces of nature. In a pair of Physical Review Letters articles, a multi-institutional team, including theorists and experimentalists from Louisiana State University, Lawrence Livermore National […]