Articles tagged with Experimental Physics
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...
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.
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.
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.
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.
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.
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.
Researchers at Northwestern University have discovered a surprising way to trap microparticles using the combined effects of electrostatics, hydrodynamics, and random Brownian motion. This phenomenon enables the capture of particles in complex environments, such as winding channels, and could revolutionize microfluidic applications and...
Scientists at the University of Innsbruck have successfully measured tunneling reactions in molecular chemistry, confirming a precise theoretical model. The experiment used hydrogen and deuterium isotopes to demonstrate the quantum mechanical tunnel effect in a slow ion-molecule reaction.
Researchers at Purdue University have developed heterostructures that support the prediction of counterpropagating charged edge modes at the v=2/3 fractional quantum Hall state. The team's experiment measured an electrical conductance equal to half the fundamental value of e^2/h, consistent with theoretical predictions.
Physicists from the University of Vienna successfully demonstrated a universal rewinding protocol that can reverse certain quantum processes, including the time evolution of a single photon. The protocol uses an intricate optical setup and demonstrates reversibility without knowing the interactions with the quantum system.
Researchers at the University of Innsbruck have successfully entangled two trapped ions separated by 230 meters, using photons transmitted through an optical fiber cable. This breakthrough demonstrates the potential of trapped ions as a platform for building future quantum networks and distributed computing systems.
Researchers at UMD successfully guided light in a 45-meter-long air waveguide, creating a high-density core to guide a laser. The technique utilizes ultra-short laser pulses to create a plasma that heats the air, expanding it and leaving a low-density path behind.
Researchers at the University of Maryland successfully guided a 45-meter-long beam of light through an unremarkable hallway, pushing the limits of an innovative technique. The team utilized ultra-short laser pulses to create a plasma that heated air, forming a high-density core and enabling efficient light delivery.
Physicists at MIT and Caltech developed a new benchmarking protocol to characterize the fidelity of quantum analog simulators, enabling high precision characterization. The protocol analyzes random fluctuations in atomic-scale systems, revealing universal patterns that can be used to gauge the accuracy of these devices.
Physicists at the University of Innsbruck have demonstrated a new nonlinear cooling method, allowing massive objects to be cooled to nearly absolute zero. This breakthrough enables the observation of quantum effects on macroscopic objects, paving the way for highly sensitive quantum sensors.
Researchers at Leipzig University developed an experimental model of microswimmers that exhibit properties of natural swarm intelligence. The swimmers' internal states and navigation rules can be controlled, allowing for the observation of complex collective behaviors.
The team isolated pairs of atoms within a 3D optical lattice to measure the strength of their mutual interaction. They confirmed a longstanding prediction that the p-wave force between particles reached its maximum theoretical limit.
Physicists at the University of Bath developed an optical fiber that uses topology to enhance its robustness, protecting light from environmental disorder. This design allows for scalable structure preservation over long distances, making it suitable for future quantum networks.
A new method bridges the quantum and classical worlds, enabling interaction-free detection of microwave pulses with a superconducting circuit. This breakthrough demonstrates genuine quantum advantage using a simpler setup, with potential applications in quantum computing, optical imaging, and cryptographic key distribution.
A Polish-German-Italian team developed a new simulation tool called XSPIN to simulate X-ray-induced demagnetisation in multilayer materials. The tool allows for control over laser pulse parameters, such as energy and duration, to achieve specified spatial and temporal scales.
Researchers from Cornell University and Clemson University conducted droplet experiments on the ISS to investigate larger droplets due to lower gravity, expanding the parameter space of the Davis-Hocking model. The results confirmed and expanded the model, providing insights into droplet dynamics.
Researchers at Johannes Gutenberg University Mainz developed a prototype that combines Brownian and reservoir computing to perform Boolean logic operations. This innovation uses metallic thin films exhibiting magnetic skyrmions to achieve energy savings through automatic system reset.
Experimental physicists discovered that water impurities become entrapped within icicles, creating chevron patterns and ripple effects. The study reveals that internal patterns are connected to external shapes, leading to a deeper understanding of natural ice formations.
Researchers have developed a quantum experiment that allows them to probe connections between theoretical wormholes and quantum physics. The study demonstrates the equivalence of wormholes with quantum teleportation, a process experimentally demonstrated over long distances.
Researchers clarify key aspects of thermal Hall effect in magnetic insulator, reaching novel conclusions and advancing understanding of topological quantum matter. The study utilizes ruthenium chloride to demonstrate the first example of a magnetic insulator exhibiting the thermal Hall effect from quantum edge modes.
Researchers at Cracow cyclotron study excited states of carbon-13 nuclei, revealing new insights into atomic nucleus behavior and decay patterns. The discovery paves the way for further measurements on other light isotopes.
A team of researchers from Johannes Gutenberg University Mainz have successfully developed a new approach to improve the way data is processed and stored. By combining chirality in spin configurations and molecules, they aim to create faster, smaller, and more efficient data storage devices.
Researchers at Osaka University have demonstrated the relativistic contraction of an electric field produced by fast-moving charged particles, as predicted by Einstein’s theory. This effect, corresponding to Lorentz transformation of electromagnetic potentials, has been observed using ultrafast electro-optic measurements.
Australian researchers have engineered a quantum box for polaritons in a two-dimensional material, achieving large polariton densities and a partially 'coherent' quantum state. The novel technique allows researchers to access striking collective quantum phenomena and enable ultra-energy-efficient technologies.
Achenbach, a renowned experimental physicist, will lead Jefferson Lab's Experimental Hall B, utilizing the world's most powerful accelerator to advance nuclear physics research. He aims to upgrade CEBAF and explore new experiments, including positron beams, to expand knowledge on matter and the universe.
A joint research team has proposed a method for densely storing data using a sharp probe, enabling polarization switching with minimal force. The result shows a significant increase in storage capacity, reaching up to 1 terabit per square centimeter.
A team of researchers from CERN, MIT, and Staffordshire University have developed a novel algorithm for reconstructing particles at the Large Hadron Collider. The project aims to improve particle reconstruction in high-occupancy imaging calorimeters, enabling more efficient discoveries after the HL-LHC upgrade.
Recent CERN experiments provide evidence for the existence of new particles called pentaquarks, which consist of four quarks and one antiquark. The discovery raises the possibility that a whole new class of matter is at the cusp of being discovered.
Researchers at Martin-Luther-University Halle-Wittenberg have successfully generated non-linear spin waves with half-integer multiples of the excitation frequency, a key finding for spintronics applications.
A team at Max Born Institute develops methods to reliably create and guide magnetic skyrmions at controlled positions, enabling the study of their dynamics and potential applications in computing and data storage. By employing focused helium-ion irradiation and nanopatterned reflective masks, researchers can control the generation and ...
Researchers use lasers to cool atoms to absolute zero, revealing new phenomena in an unexplored realm of quantum magnetism. The creation of SU(N) matter opens a gateway to understanding the behavior of materials and potentially leading to novel properties.