- Chi-Nu experiment ends, bolsters...on September 26, 2023 at 9:28 PM
The results of the Chi-Nu physics experiment at Los Alamos National Laboratory have contributed essential, never-before-observed data for enhancing nuclear security applications, understanding criticality safety and designing fast-neutron energy reactors. The Chi-Nu project, a years-long experiment […]
- Memory-induced Magnus effect: Looking...on September 26, 2023 at 4:58 PM
Whether you are familiar with the term "Magnus effect" or not, you have certainly seen it in action. It is when a spinning ball—for instance in football, cricket or baseball—bends away from its expected trajectory, often to the surprise of the opposing team. The principle also has engineering […]
- New spin-squeezing techniques let atoms...on September 26, 2023 at 2:14 PM
Opening new possibilities for quantum sensors, atomic clocks and tests of fundamental physics, JILA researchers have developed new ways of "entangling" or interlinking the properties of large numbers of particles. In the process they have devised ways to measure large groups of atoms more […]
- Imaging the elusive skyrmion: Neutron...on September 26, 2023 at 9:55 AM
Scientists at the National Institute of Standards and Technology (NIST) with colleagues elsewhere have employed neutron imaging and a reconstruction algorithm to reveal for the first time the 3D shapes and dynamics of very small tornado-like atomic magnetic arrangements in bulk materials.
- New qubit circuit enables quantum...on September 25, 2023 at 5:26 PM
In the future, quantum computers may be able to solve problems that are far too complex for today's most powerful supercomputers. To realize this promise, quantum versions of error correction codes must be able to account for computational errors faster than they occur.
- ATLAS measures strength of the strong...on September 25, 2023 at 1:06 PM
Binding together quarks into protons, neutrons and atomic nuclei is a force so strong, it's in the name. The strong force, which is carried by gluon particles, is the strongest of all fundamental forces of nature—the others being electromagnetism, the weak force and gravity. Yet, it's the least […]
- Theoretical study shows that Kerr black...on September 22, 2023 at 3:40 PM
Black holes are regions in space characterized by extremely strong gravity, which prevents all matter and electromagnetic waves from escaping it. These fascinating cosmic bodies have been the focus of countless research studies, yet their intricate physical nuances are yet to be fully uncovered.
- Exploring the relationship between...on September 22, 2023 at 3:10 PM
Researchers from the University of Science and Technology of China(USTC) of the Chinese Academy of Sciences (CAS) have developed an ultra-cold atom quantum simulator to study the relationship between the non-equilibrium thermalization process and quantum criticality in lattice gauge field theories. […]
- Researchers make progress in vector...on September 22, 2023 at 3:10 PM
A research team led by Prof. Wang Qun from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has made significant progress in the theoretical study of vector meson spin physics, specifically regarding the intriguing behavior of ϕ mesons generated […]
- Quiet cables set to help reveal rare...on September 21, 2023 at 8:36 PM
Imagine trying to tune a radio to a single station but instead encountering static noise and interfering signals from your own equipment. That is the challenge facing research teams searching for evidence of extremely rare events that could help understand the origin and nature of matter in the […]
- Quiet cables set to help reveal rare...on September 21, 2023 at 8:36 PM
Imagine trying to tune a radio to a single station but instead encountering static noise and interfering signals from your own equipment. That is the challenge facing research teams searching for evidence of extremely rare events that could help understand the origin and nature of matter in the […]
- In helium-three, superfluid particles...on September 21, 2023 at 3:25 PM
Picture a nanoscale dance floor full of independently moving particles. When things really start to heat up—or, in this case, cool down—particles partner off, but on opposite sides of the space, "dancing" in synch as if telepathically.
- A model probing the connection between...on September 21, 2023 at 10:30 AM
Quantum entanglement is a physical process through which pairs of particles become connected and remain so even when separated by vast distances. This fascinating phenomenon has been the focus of numerous research studies, due to its mysterious nature and promising real-world applications.
- A model probing the connection between...on September 21, 2023 at 10:30 AM
Quantum entanglement is a physical process through which pairs of particles become connected and remain so even when separated by vast distances. This fascinating phenomenon has been the focus of numerous research studies, due to its mysterious nature and promising real-world applications.
- Researchers advance topological...on September 20, 2023 at 8:40 PM
Quantum computers process information using quantum bits, or qubits, based on fragile, short-lived quantum mechanical states. To make qubits robust and tailor them for applications, researchers from the Department of Energy's Oak Ridge National Laboratory sought to create a new material system.
- Researchers explore theorized dark...on September 18, 2023 at 4:53 PM
A team of international researchers, led by experts at the University of Adelaide, has uncovered further clues in the quest for insights into the nature of dark matter.
- Researchers uncover unconventional...on September 18, 2023 at 3:40 PM
Mott insulators are a peculiar class of materials with structures that should theoretically conduct electricity, but that are instead insulators. These materials contain strongly correlated electrons, which can generate highly entangled many-body states marked by unconventional excitations.
- The limits of nuclear stability change...on September 18, 2023 at 2:08 PM
New research is challenging the scientific status quo on the limits of the nuclear chart in hot stellar environments where temperatures reach billions of degrees Celsius.
- Study estimates the energy costs of...on September 17, 2023 at 1:20 PM
The behaviors, physiology and existence of living organisms is supported by countless biological processes, which entail the communication between cells and other molecular components. These molecular components are known to transmit information to each other in various ways, for instance via […]
- ATLAS experiment places some of the...on September 15, 2023 at 5:43 PM
Magnets, those everyday objects we stick to our fridges, all share a unique characteristic: they always have both a north and a south pole. Even if you tried breaking a magnet in half, the poles would not separate—you would only get two smaller dipole magnets. But what if a particle could have a […]
- ATLAS experiment places some of the...on September 15, 2023 at 5:43 PM
Magnets, those everyday objects we stick to our fridges, all share a unique characteristic: they always have both a north and a south pole. Even if you tried breaking a magnet in half, the poles would not separate—you would only get two smaller dipole magnets. But what if a particle could have a […]
- A nonrelativistic and nonmagnetic...on September 14, 2023 at 4:41 PM
Scientists and engineers keep developing ever faster and more powerful technological devices. But there is a need for even faster and more efficient electronics. A promising route is to take advantage of terahertz waves, a less-explored part of the electromagnetic spectrum nestled between the […]
- A scalable and user-friendly platform...on September 13, 2023 at 5:15 PM
Quantum computers can solve certain computational problems much faster than ordinary computers by using specific quantum properties. The basic building blocks of such machines are called quantum-bits or qubits. Qubits can be realized using several physical platforms such as nuclear spins, trapped […]
- A microwave shield yields ultracold...on September 13, 2023 at 5:15 PM
Almost a century ago, physicists Satyendra Nath Bose and Albert Einstein predicted a theoretical state of matter in which individual particles would, at extremely cold temperatures and low densities, condense into an indistinguishable whole. These so-called Bose-Einstein condensates (BECs) would […]
- Majority rule in complex mixtures:...on September 13, 2023 at 4:32 PM
The very first life on Earth is thought to have developed from "protocells"—liquid mixtures of many different types of molecules. Researchers from the University of Göttingen have now shown that in such mixtures, small imbalances in the number of molecules of different types can have an […]
- New set of equations predicts...on September 13, 2023 at 2:54 PM
The term "quantum transport" may conjure images of a fantastic futuristic commuting option. In condensed matter physics, however, this is a fundamental concept in the hydrodynamics of electrons in solid and fluid materials.
- Researchers detail how disorder alters...on September 12, 2023 at 3:39 PM
Quantum spin liquids are difficult to explain and even harder to understand.
- A linear path to efficient quantum...on September 12, 2023 at 2:54 PM
Researchers at the University of Stuttgart have demonstrated that a key ingredient for many quantum computation and communication schemes can be performed with an efficiency that exceeds the commonly assumed upper theoretical limit—thereby opening up new perspectives for a wide range of photonic […]
- Physicists create powerful magnets to...on September 11, 2023 at 5:41 PM
Quantum computing has the potential to revolutionize the world, allowing massive health and science computation problems to be solved exponentially faster than by classic computing. But quantum computers have a big drawback—they can only operate in subzero temperatures.
- The universe caught suppressing cosmic...on September 11, 2023 at 5:04 PM
As the universe evolves, scientists expect large cosmic structures to grow at a certain rate: dense regions such as galaxy clusters would grow denser, while the void of space would grow emptier.
- Researchers make a significant step...on September 11, 2023 at 2:39 PM
Using laser light, researchers have developed the most robust method currently known to control individual qubits made of the chemical element barium. The ability to reliably control a qubit is an important achievement for realizing future functional quantum computers.
- A physics-based Ising solver based on...on September 11, 2023 at 2:10 PM
Quantum computers, systems that perform computations by exploiting quantum mechanics phenomena, could help to efficiently tackle several complex tasks, including so-called combinatorial optimization problems. These are problems that entail identifying the optimal combination of variables among […]
- New insights into neutrino interactionson September 11, 2023 at 1:53 PM
Research at Hokkaido University has revealed that elusive particles called neutrinos can interact with photons, the fundamental particles of light and other electromagnetic radiation, in ways not previously detected. The findings from Kenzo Ishikawa, Professor Emeritus at Hokkaido University, with […]
- Experimental quantum imaging...on September 8, 2023 at 3:30 PM
It is possible to image an object with an induced coherence effect by making use of photon pairs to gain information on the item of interest—without detecting the light probing it. While one photon illuminates the object, its partner alone is detected, thereby preventing the measurements of […]
- Machine learning contributes to better...on September 7, 2023 at 7:59 PM
Researchers from the RIKEN Center for Quantum Computing have used machine learning to perform error correction for quantum computers—a crucial step for making these devices practical—using an autonomous correction system that despite being approximate, can efficiently determine how best to make […]
- Unlocking quantum potential: Harnessing...on September 7, 2023 at 4:01 PM
Quantum technology's future rests on the exploitation of fascinating quantum mechanics concepts—such as high-dimensional quantum states. Think of these states as basic ingredients of quantum information science and quantum tech. To manipulate these states, scientists have turned to light, […]
- Tuning the Chern number in the...on September 7, 2023 at 1:34 PM
The Chern number, an invariant quantity that characterizes topological phases in physical systems, was recently tuned in a controlled fashion by researchers from Tokyo Tech. They achieved this feat in an electronic-nuclear spin system, namely the nitrogen-vacancy center in diamond, observing Chern […]
- Researchers develop a protocol to...on September 7, 2023 at 1:29 PM
For years, researchers have tried various ways to coax quantum bits—or qubits, the basic building blocks of quantum computers—to remain in their quantum state for ever-longer times, a key step in creating devices like quantum sensors, gyroscopes, and memories.
- Researchers close in on the elusive...on September 6, 2023 at 7:13 PM
The humble neutrino, an elusive subatomic particle that passes effortlessly through normal matter, plays an outsized role among the particles that comprise our universe. To fully explain how our universe came to be, we need to know its mass. But, like so many of us, it avoids being weighed.
- Study explains role of certain types of...on September 6, 2023 at 4:30 PM
A study conducted at the Center for Research, Education and Innovation in Vitreous Materials (CeRTEV) in São Carlos, São Paulo state, Brazil, shows for the first time that including niobium oxide (Nb2O5) in silicate glass results in silica network polymerization, which increases bond density and […]
- Promising quantum state found during...on September 6, 2023 at 3:52 PM
Window glass, at the microscopic level, shows a strange mix of properties. Like a liquid, its atoms are disordered, but like a solid, its atom are rigid, so a force applied to one atom causes all of them to move.
- Scientists demonstrate new, improved...on September 6, 2023 at 3:14 PM
Scientists with the University of Chicago have demonstrated a way to create infrared light using colloidal quantum dots. The researchers said the method demonstrates great promise; the dots are already as efficient as existing conventional methods, even though the experiments are still in early […]
- Atomic-scale spin-optical laser: New...on September 6, 2023 at 2:05 PM
Researchers at the Technion—Israel Institute of Technology have developed a coherent and controllable spin-optical laser based on a single atomic layer. This discovery is enabled by coherent spin-dependent interactions between a single atomic layer and a laterally confined photonic spin lattice, […]
- Study proves the difficulty of...on September 6, 2023 at 10:30 AM
Quantum computers, technologies that perform computations leveraging quantum mechanical phenomena, could eventually outperform classical computers on many complex computational and optimization problems. While some quantum computers have attained remarkable results on some tasks, their advantage […]
- Deriving the fundamental limit of heat...on September 5, 2023 at 2:35 PM
Researchers from the University of Tsukuba have mathematically derived the fundamental limit of heat current flowing into a quantum system comprising numerous quantum mechanical particles in relation to the particle count.
- Researchers observe electron scattering...on September 5, 2023 at 1:20 PM
A team of chemists and physicists with members from Kyoto University, the Nishina Center for Accelerator-Based Science, RIKEN, Rikkyo University and Tohoku University, all in Japan, have for the first time observed electron scattering from radioisotopes that do not occur naturally. The study is […]
- Using an atomic clock to help find...on September 4, 2023 at 3:19 PM
A combined team of physicists from the University of Sussex and the National Physical Laboratory, both in the U.K., has been designing experiments to identify ultra-light dark matter particles. In their paper published in the open-access New Journal of Physics, the group describes how they are […]
- Scientists make the first observation...on September 4, 2023 at 2:03 PM
Not all of the material around us is stable. Some materials may undergo radioactive decay to form more stable isotopes. Scientists have now observed a new decay mode for the first time. In this decay, a lighter form of oxygen, oxygen-13 (with eight protons and five neutrons), decays by breaking […]
- Physicists solve mysteries of...on September 4, 2023 at 1:49 PM
Active matter is any collection of materials or systems composed of individual units that can move on their own, thanks to self-propulsion or autonomous motion. They can be of any size—think clouds of bacteria in a petri dish, or schools of fish.
- Exploring light neutron-rich nuclei:...on August 30, 2023 at 3:00 PM
The study of physical systems under extreme conditions offers valuable insights into their organization and structure. In nuclear physics, neutron-rich isotopes, especially the light ones with neutron-to-proton ratio significantly different from that of stable nuclei, provide stringent tests of […]
- Researchers formulate 'golden rules'...on August 29, 2023 at 1:00 PM
National University of Singapore (NUS) physicists have developed a technique to precisely control the alignment of supermoiré lattices by using a set of golden rules, paving the way for the advancement of next generation moiré quantum matter.
- The first observation of neutrinos at...on August 26, 2023 at 9:50 AM
Neutrinos are tiny and neutrally charged particles accounted for by the Standard Model of particle physics. While they are estimated to be some of the most abundant particles in the universe, observing them has so far proved to be highly challenging, as the probability that they will interact with […]
- Researchers reveal electronic...on August 24, 2023 at 3:47 PM
Electronic nematic order in kagome materials has thus far been entangled with charge density waves. Now it is finally observed as a stand-alone phase in a titanium-based Kagome metal, a team of researchers led by Boston College physicists reported recently in Nature Physics.
- Unraveling complex systems: The...on August 23, 2023 at 3:06 PM
In physics, a "disordered system" refers to a physical system whose components—e.g., its atoms—are not organized in any discernible way. Like a drawer full of random socks, a disordered system lacks a well-defined, ordered pattern due to various factors like impurities, defects, or interactions […]
- Ringing protons give insight into early...on August 21, 2023 at 8:41 PM
In the middle of the last century, physicists found that protons can resonate, much like a ringing bell. Advances over the last three decades have led to 3D pictures of the proton and significant insight into its structure in its ground state. But little is known about the 3D structure of the […]
- Researchers publish new results from...on August 21, 2023 at 6:55 PM
Located at CERN's North Area and receiving beams from the Super Proton Synchrotron (SPS), the NA64 and NA62 experiments search for dark matter, complementing searches at the LHC, as they cover a different energy range. Both experiments have recently published new results. The research is published […]
- A new 'spin' on ergodicity breakingon August 18, 2023 at 5:08 PM
In a recent Science paper, researchers led by JILA and NIST Fellow Jun Ye, along with collaborators JILA and NIST Fellow David Nesbitt, scientists from the University of Nevada, Reno, and Harvard University, observed novel ergodicity-breaking in C60, a highly symmetric molecule composed of 60 […]
- Unlocking the mysteries of freezing in...on August 16, 2023 at 9:35 PM
Clouds are a lot cooler than you might think. In fact, scientists might say they're super cool because they're made up of millions of supercooled water droplets, droplets that have been cooled below the freezing point but haven't yet turned into ice. When these droplets freeze, they can accelerate […]
- Long-lived quantum state points the way...on August 16, 2023 at 5:35 PM
Timothy Gray of the Department of Energy's Oak Ridge National Laboratory led a study that may have revealed an unexpected change in the shape of an atomic nucleus. The surprise finding could affect our understanding of what holds nuclei together, how protons and neutrons interact and how elements […]
- Inclined drops: New model allows...on August 16, 2023 at 4:49 PM
The behavior of drops on surfaces is of interest for a variety of applications. However, properties such as velocity, friction or shape on inclined surfaces depend on a large number of parameters—their behavior is still not completely predictable by theories. Researchers led by Hans-Jürgen Butt […]