Articles tagged with Experimental Physics
Researchers at Johannes Gutenberg Universitaet Mainz have demonstrated altermagnetic electronic band splitting associated with spin polarization in CrSb, a good conductor at room temperature. The magnitude of this splitting is extraordinary and promises electronic applications for altemagnets.
Ben-Gurion University scientists propose a unified theory that explains sand ripples on Mars and Earth, suggesting common causes despite different planetary environments. The research was conducted using wind tunnel experiments and reveals the possibility of similar patterns on Earth.
Physicists have developed a method to make quantum signals accessible again by analyzing simultaneous changes in states of multiple sensors. This approach enables precise measurement of magnetic field variations and distance between sensors, outperforming entanglement-based methods.
Researchers demonstrate a way to amplify interactions between particles to overcome environmental noise, enabling the study of entanglement in larger systems. This breakthrough holds promise for practical applications in sensor technology and environmental monitoring.
Researchers at Jefferson Lab shattered a nearly 30-year-old record for parallel spin measurement within an electron beam, achieving unprecedented precision. This achievement sets the stage for high-profile experiments that could lead to groundbreaking discoveries in physics.
Physicists at the University of Southampton successfully detect weak gravitational pull on microscopic particles using a new technique. The experiment, published in Science Advances, could pave the way to finding the elusive quantum gravity theory.
Researchers successfully conduct laboratory studies on whistler mode chorus emission using the RT-1 device, a magnetically levitated superconducting coil. The findings reveal that high-temperature electrons drive the generation of chorus emission, while increasing plasma density suppresses its occurrence.
Researchers use a new technique to isolate energetic electron motion in liquid water, providing a window into electronic structure on an attosecond timescale. This breakthrough resolves long-standing debates about X-ray signals in liquid water and opens up a new field of experimental physics.
Researchers have proved the existence of altermagnetism, a new type of magnetism that offers distinct advantages for next-generation magnetic memory technology. Altermagnets exhibit strong spin-dependent phenomena like ferromagnets while possessing zero net magnetization.
Scientists use a special microscope to break up the bond between electrons and holes in semiconductors, revealing that hole interactions determine charge transfer processes. The findings have implications for future computer and photovoltaic technologies.
Researchers have discovered a new state of matter characterized by chiral currents, generated by cooperative electron movement. This phenomenon has implications for the development of new electronic devices and technologies, including optoelectronics and quantum technologies.
A team of researchers has identified the intrinsic interactions responsible for light-induced ferroelectricity in SrTiO3. By measuring fluctuations in atomic positions, they found that mid-infrared excitation suppresses certain lattice vibrations, leading to a more ordered dipolar structure.
Researchers at TU Dortmund University have developed a highly durable time crystal that outlasts previous experiments by tens of thousands of times. The team discovered a way to stabilize the crystal using nuclear spins, enabling it to maintain its periodic behavior for up to 40 minutes.
Researchers at Rice University have discovered a new material that exhibits both quantum correlations and geometric frustration, resulting in a unique flat band structure. This finding provides empirical evidence of the effect in a 3D material and has implications for understanding exotic features in materials science.
A new control system optimizes predictive models with real-time observations, predicting fusion plasma behavior with high accuracy. This approach enables adaptive predictive control in uncertain conditions, laying the foundation for fusion reactor control.
The Paarl Africa Underground Laboratory (PAUL) will be a game-changer for universities in South Africa and its partners, offering benefits through new jobs and research opportunities. The laboratory will enable scientists to study dark matter and neutrinos in a radiation-free environment.
In a study, an international team of physicists demonstrated that maximum entanglement is present in the proton even when pomerons are involved. The research complements previous findings on maximal entanglement in proton collisions and shows its universality.
Researchers at Maynooth University and the University of Chicago discovered that molecular processes can perform complex calculations rivaling simple neural networks. The study used phase transitions to recognize subtle chemical combinations and build different structures in response.
A new experiment could test whether relatively large masses have a quantum nature, resolving the question of whether quantum mechanics works at a larger scale. The proposed experiment exploits the principle of measurement-induced collapse to observe changes in motion.
Researchers at Princeton University discovered a sudden change in quantum behavior while experimenting with a three-atom-thin insulator. The findings suggest the existence of unique quantum phase transitions that disobey established theories, promising to enhance our understanding of quantum physics and superconductivity.
Scientists have made significant progress in understanding ultrafast electron dynamics by tracking the motion of electrons released from zinc oxide crystals using laser pulses. The research team combined photoemission electron microscopy and attosecond physics technology to achieve temporal accuracy, enabling them to study the interact...
A Harvard University research team has demonstrated a new strategy for making and manipulating cuprate superconductors, clearing a path to engineering new forms of superconductivity. The team created a high-temperature, superconducting diode made out of thin cuprate crystals using a low-temperature device fabrication method.
Researchers have directly observed a magnetic analog of liquid crystal, known as the 'spin-nematic phase', in a quantum spin system. This discovery was made possible by advancements in synchrotron facility development and has significant implications for quantum computing and information technologies.
Researchers at MIT recreate a 'quantum bomb tester' using bouncing droplets, finding that the droplet's classical dynamics give rise to similar statistical behavior as predicted by quantum mechanics. The study bridges the gap between two realities, offering insight into quantum behavior from a local realist perspective.
The Particle Physics Project Prioritization Panel (P5) report recommends budget-conscious investments in high-energy physics research. The US government will support the Large Hadron Collider, Deep Underground Neutrino Experiment, CMB-S4, and IceCube-Gen2 facilities for transformative discoveries related to fundamental physics.
Researchers at Helmholtz-Zentrum Dresden-Rossendorf have identified a promising phenomenon where certain iron alloys can be magnetized using ultrashort laser pulses. The team has now expanded its findings to an iron-vanadium alloy, revealing a new class of materials with potential applications in spintronics and magnetic sensors.
The University of Rochester's Laboratory for Laser Energetics leads a new national research hub focused on advancing inertial fusion energy science and technology. The IFE-COLoR hub aims to overcome laser-plasma instabilities, a major obstacle in achieving efficient laser coupling for inertial confinement fusion.
Researchers at Helmholtz-Zentrum Dresden-Rossendorf have developed tiny electromagnets made of ultra-thin carbon, graphene, using terahertz pulses. The graphene discs briefly turned into strong magnets, with magnetic fields in the range of 0.5 Tesla, and showed promise for developing future magnetic switches and storage devices.
LMU researchers create a two-dimensional supercrystal that generates hydrogen from formic acid using sunlight, holding the world record for green hydrogen production. The material uses plasmonic nanostructures to concentrate solar energy and convert it into high-energy electrons.
Antiferromagnets exhibit fluctuations that can reveal information about their weakly magnetic material. Researchers developed a new method to detect these ultrafast fluctuations using ultrashort light pulses, leading to the discovery of telegraph noise.
Researchers at the University of Innsbruck have developed a new approach to study entanglement in quantum materials. By using a quantum simulator with 51 particles, they were able to extract information about the existing entanglement with drastically fewer measurements than previously thought possible.
Researchers analyzed proton-proton collisions to understand the hadronization process, a phenomenon critical to our understanding of physical reality. The study found that quark-gluon plasma can be produced in single proton collisions and that correlations between particles are influenced by angles with respect to the beam axis.
Researchers at Uppsala University have provided the first experimental evidence of hopfions in crystals, a discovery that could lead to breakthroughs in spintronics and quantum computing. The study uses transmission electron microscopy and holography to stabilize hopfions in B20-type FeGe plates.
Physicists have directly observed the Kondo effect in a single artificial atom using a scanning tunnelling microscope. The team confirmed a decades-old prediction by validating their experimental data against theoretical models. This breakthrough paves the way for investigating exotic phenomena in magnetic wires.
Researchers at DTU Energy replicated a 2021 experiment where a fast-spinning magnet caused another magnet to hover. The force affecting the magnets is attributed to coupling between movement and magnetic force, allowing it to defy classical physics.
Researchers at Rice University have discovered a way to transform a rare-earth crystal into a magnet by using chirality in phonons. Chirality, or the twisting of atoms' motion, breaks time-reversal symmetry and aligns electron spins, creating a magnetic effect.
Scientists have developed a new, efficient ethanol catalyst made from copper nanoparticles, which is cheaper than platinum and could increase the potential of ethanol fuel cells. The catalyst was created through laser melting and shows great promise for improving ethanol oxidation.
Researchers from SLAC National Accelerator Laboratory and Stanford University propose the Cool Copper Collider, a next-generation accelerator that could probe elementary particle physics at higher energy scales. The proposal aims to reduce energy consumption by up to 50% through improved design and materials.
Researchers have successfully excited a scandium-45 nuclear isomer using X-ray pulses, paving the way for the creation of the world's most precise clock. The breakthrough has significant implications for fields such as nuclear physics, satellite navigation, and telecommunications.
Scientists generate multiple quasiparticles simultaneously in a quantum gas and observe their complex interactions, including attractive and repulsive behavior. Quantum statistics plays a crucial role in these interactions, which are essential for understanding fundamental mechanisms of nature.
Researchers successfully controlled spin waves by using a superconducting electrode, which acts as a mirror to reflect the magnetic field back to the spin wave. This breakthrough offers an energy-efficient alternative to electronics and opens doors for designing new circuits based on spin waves and superconductors.
Research explains why X-ray diffraction images 'darken' at high intensities, offering new perspective for ultra-short laser pulse production. Different atoms respond differently to ultrafast X-ray pulses, potentially improving atomic structure reconstruction and generating even shorter pulses.
Researchers at Caltech have detected magnetically bound excitons in an antiferromagnetic Mott insulator, a first in real-time experiments. This finding has implications for the development of new exciton-related technologies that harness both magnetic and optical properties.
A study led by the University of Texas at Austin found that certain groupings of iron atoms in the Earth's inner core are able to move about rapidly, changing their places in a split second. This collective motion could help explain numerous intriguing properties of the inner core and shed light on its role in powering Earth's geodynamo.
Researchers confirmed that antimatter falls under the influence of gravity, ruling out gravitational repulsion as a cause for its absence in the universe. The study used an antihydrogen experiment to observe individual atoms taking a downward path, providing a definitive answer to long-standing questions about antimatter's behavior.
A new experiment at CERN has shown that gravity pulls antimatter downward, eliminating the possibility of antigravity. The gravitational acceleration of antimatter is close to that for normal matter on Earth, with a value within about 25% of normal gravity.
The Chi-Nu experiment has contributed never-before-observed data for enhancing nuclear security applications and understanding criticality safety. The results inform nuclear models, Monte Carlo calculations, and reactor performance calculations.
Researchers at PNNL have developed ultra-low radiation cables to minimize interference from cosmic radiation, increasing sensitivity and flexibility in detector design. These cables can help solve key mysteries of the universe, including dark matter and neutrino properties.
A new device design inspires improved integrated circuit designs by visualizing electric current flow lines around sharp bends. The research enables better understanding of heat generation in electronic devices, leading to more efficient circuit creation and reduced risk of overheating.
Researchers at the University of Adelaide have uncovered new clues in the quest for understanding dark matter, a mysterious substance making up 84% of the universe's mass. The study suggests that the dark photon hypothesis is preferred over the standard model hypothesis, providing evidence for a potential particle discovery.
Physicists from the Polish Academy of Sciences develop new theoretical tools to study collisions at extreme energies. The phenomenon is fast and involves small particles that cannot be observed directly, requiring
Researchers have demonstrated a way to perform Bell-state measurements with an efficiency exceeding the commonly assumed upper theoretical limit. This breakthrough opens up new perspectives for photonic quantum technologies and could lead to more efficient quantum computing, communication, and sensor devices.
Researchers at the University of Sydney have successfully slowed down a simulated chemical reaction by a factor of 100 billion times using a quantum computer. This achievement allows for direct observation of previously inaccessible processes, enabling breakthroughs in fields like materials science and drug design.
A team of researchers from Boston College has observed electronic nematic order as a stand-alone phase in a titanium-based Kagome metal. The study revealed the presence of electronic unidirectionality without charge density waves, which challenges current understanding of this phenomenon.
Matthew Sfeir will receive a $1.25 million grant to measure the quantum properties of conducting organic polymers using far-infrared and terahertz light sources. The research aims to develop transparent electrical conductors for advanced photonic and quantum-based technologies.
Researchers explore nucleon resonances, gaining insight into early universe's chaotic state. The experiment provides new information on the 3D structure of resonating protons and neutrons.
Researchers have finally found Pines' demon, a massless and neutral composite particle predicted to exist in certain metals. They used a nonstandard experimental technique that directly excites a material's electronic modes, allowing them to see the demon's signature in strontium ruthenate.
A new study proves that thermal fluctuations of freestanding graphene can produce useful work by charging storage capacitors. The system satisfies both the first and second laws of thermodynamics throughout the charging process.
Researchers at Hebrew University of Jerusalem discovered supershear tensile cracks that surpass classical speed limits and transition to near-supersonic velocities. These findings challenge traditional understanding of fracture mechanics, offering new avenues for studying material properties.
A team of scientists from Chemnitz University of Technology has successfully synthesized two-dimensional lead layers using a novel method. The researchers were able to comprehensively describe the structures of these layers, which could become relevant in the development of novel electronic systems and quantum materials.