Articles tagged with Experimental Physics
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 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.
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 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.
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.
Peter Hurck, the 2023 JSA Postdoctoral Prize winner, is conducting data analyses to identify strange particles and learn about their properties. He hopes to improve data analysis methods for these particles using high-quality data from GlueX experiments.
Allison Zec has achieved the world record in precise measurement of an electron beam’s polarization, measuring it to within half a percent. Her work on the CREX Compton polarimeter was recognized with the prestigious JSA Thesis Prize, awarded by the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility.
Researchers discovered a close relationship between nuclear and electron dynamics, challenging the Born-Oppenheimer approximation. This breakthrough could lead to new ways to control and exploit molecular properties for solar energy conversion, quantum information science, and more.
A team of researchers at Texas A&M University is developing a new method for understanding metal behavior under extreme conditions using metal cutting, a traditional manufacturing tool. The process involves shearing or deforming the metal to extreme levels under high rates and can provide fundamental information on material strength an...
Scientists have successfully visualized the topology of electrons in topological quantum materials using '3D glasses,' a technique that uses circularly polarized X-ray light. This breakthrough enables the characterization of quantum materials topologically, paving the way for energy-saving electronics and high-tech advancements.
Researchers designed two new types of superconductivity by depositing chromium atoms on a superconducting niobium surface, confirming theoretical predictions. This method enables the creation of two-dimensional superconductors with atomic precision.
The UW students' achievement enables the implementation of a fractional Fourier Transform in optical pulses, allowing for more precise pulse identification and filtering. This innovation has significant implications for spectroscopy and telecommunications, where precise signal processing is crucial.
Researchers at DESY reveal the rapid proton transaction process between urea molecules, which could have led to RNA molecule formation billions of years ago. The experiment demonstrates the importance of studying molecular processes in aqueous environments for understanding biological phenomena.
Researchers from Tokyo Institute of Technology have made a breakthrough in measuring liquid iron's resistivity under extreme conditions. They achieved this using new techniques involving diamond anvil cells and powerful lasers, allowing for measurements at pressures up to 135 GPa and temperatures over 6680 K.
A new publication by the PHENIX Collaboration at RHIC's Relativistic Heavy Ion Collider provides definitive evidence that gluon spins are aligned in the same direction as the spin of the proton they're in. This result, known as the 'golden measurement,' allows theorists to calculate how much gluons contribute to a proton's spin.
Researchers demonstrated a 300-fold increase in electron-phonon coupling strength by reducing dimensionality, paving the way for novel engineering opportunities. The enhancement was attributed to non-local nature of coupling in synthetic SRO/STO superlattices.
Scientists at University of Konstanz have developed a method to compress an electron beam into short pulses using femtosecond light flashes. The resulting electron pulses exhibit temporal superposition and can be used to study ultrafast phenomena in quantum mechanics, including the interaction between electrons and light.
Researchers have found a surprising correlation between global seismic activity and changes in cosmic radiation intensity, potentially aiding in earthquake prediction. The periodicity of this phenomenon has been identified as every 10-11 years, but its exact cause remains unknown.
Researchers have discovered a new phase of matter called the chiral bose-liquid state, which has surprising characteristics, such as robust spin and long-range entanglement. This discovery opens up new possibilities for understanding the physical world and potentially leading to breakthroughs in quantum computing.
Physicists have discovered that phonons, quasiparticles describing crystal lattice vibrations, can exhibit chirality - a fundamental concept with implications for material properties. Using circular X-ray light, researchers observed corkscrew motions of phonons in quartz, revealing the phenomenon of chiral phonons.
The MOLLER experiment has been granted Critical Decision-3A, allowing it to begin procurement of key components and make a precise measurement of the electron's weak charge, which will compare to the Standard Model's prediction.
Researchers at Max Born Institute find that ultrafast mid-infrared excitation of electrons in bismuth reduces crystal symmetry, opening new quantum pathways for coherent phonon excitation. This leads to bidirectional atomic motions and oscillations with a frequency different from low-excitation levels.
Researchers have modeled fractons, stationary quasiparticles, and found they are not visible even at absolute zero temperature due to quantum fluctuations. The team plans to develop a model to regulate these fluctuations, paving the way for experimental materials that could exhibit fractons.
Researchers at Aalto University create a new bolometer that can accurately measure microwave power down to the femtowatt level at ultra-low temperatures. This breakthrough device has the potential to significantly advance quantum computing and technology, enabling more precise control over qubits and improving overall performance.
Researchers at the Polish Academy of Sciences propose that Higgs boson decays into exotic particles may be detectable in future lepton accelerators like CLIC and FCC. The detection would rely on observing jets of particles produced by quark-antiquark pairs, with characteristic shifts from the axis of the colliding beams.
A team of researchers successfully controlled 'trions,' a breakthrough toward developing revolutionary optical communication technology. They used a nanoscale plasmonic waveguide to create high-purity trions, which offer advantages over excitons in practical device applications.
A team of scientists has found a way to directly manipulate the spin of electrons in 2D materials like graphene, a long-standing challenge. They used a novel experimental technique to study the properties of how electrons spin in these materials.
Scientists at the Max Planck Institute successfully induced high-temperature ferromagnetism in YTiO3 by applying laser pulses, raising the transition temperature to triple its original value. This breakthrough discovery opens new avenues for exploring and manipulating magnetic properties of materials.
The team successfully entangled two qudits with unprecedented performance, enabling faster and more robust quantum computing. This breakthrough could lead to significant advancements in fields like chemistry and physics.
Researchers have made the first-ever observations of how lambda particles, a form of strange matter, are produced by a specific process called semi-inclusive deep inelastic scattering (SIDIS). The study reveals that diquarks, pairs of quarks and gluons, can march through atomic nuclei, contributing to the formation of lambdas.
Researchers at Max Planck Institute discover that exciting electrons with strong light leads to exotic quantum effects, enabling new functions on demand. The team made an unforeseen discovery: Floquet bands form after a single optical cycle, paving the way for ultrafast electronics and tailored quantum functions.
A new type of meta-optics, developed at Harvard, has been successfully tested at Graz University of Technology, allowing the observation of ultra-fast physical processes. The lens uses extreme ultraviolet radiation to track charge carriers in space and time, enabling optimization of modern transistors and optoelectronic circuits.
A new type of photonic time crystal has been developed, showing that these artificial materials can amplify electromagnetic waves. This could lead to more efficient wireless communications and improved lasers., The creation of two-dimensional photonic time crystals makes them easier to fabricate and experiment with.
Imperial College London physicists have recreated the famous double-slit experiment, showing light behaves as both particles and waves in time. This experiment could lead to ultrafast optical switches and control over light in space and time.
Physicists at Rice University have found that magnetism subtly modifies the landscape of electron energy states in iron-germanium crystals, promoting and preparing for the formation of a charge density wave. This is one of the few known examples of a kagome material where magnetism forms first, leading to charges lining up.