Articles tagged with Experimental Physics
The American Physical Society has recognized the X-10 Graphite Pile as an APS historic site, commemorating its role in producing plutonium for the Manhattan Project. The reactor served as a facility for groundbreaking scientific research and radioisotope production from 1943 to 1963.
A Virginia Tech-led team is searching for signs of dark matter in billion-year-old rocks. By analyzing crystal lattice structures, they aim to uncover miniature trails of destruction left by long-ago dark matter interactions.
Scientists at Paderborn University used high-performance computing to analyse a quantum photonics experiment, performing calculations in just minutes. The findings have significant implications for characterising photonic quantum computer hardware and will shape the future of quantum research.
Dr. Kevin J. Kelly, an assistant professor at Texas A&M University, has received the Henry Primakoff Award for Early-Career Particle Physics for his significant contributions to neutrino physics and proposing novel directions for dark matter research. He will deliver an invited lecture on his research at a future APS meeting.
Physicist Volker D. Burkert is honored for his pioneering work on high-performance instrumentation, leading to breakthroughs in fundamental nuclear physics. His research has revealed new insights into the structure of protons and nuclei, including the discovery that the peak pressure inside a proton exceeds that found in neutron stars.
Physicists have successfully reproduced properties of atomic nuclei using only quarks and gluons, combining low- and high-energy descriptions. The results provide a unified understanding of the atomic nucleus's structure.
Scientists have developed MINFLUX microscopy to measure distances within biomolecules, down to one nanometer, and with Ångström precision. This allows for the detection of different conformations of individual proteins and the observation of their interactions.
Researchers induced fast switching between electrically neutral and charged luminescent particles in an ultra-thin, two-dimensional material. The result opens up new perspectives for optical data processing and flexible detectors.
The UT Arlington Neutrino Group has successfully identified the detector's neutrino interactions for the first time in a decade-long project. The group's work on the SBND experiment aims to study neutrino oscillation and search for evidence of a fourth neutrino, with the potential to redefine our understanding of the universe.
Physicists use lattice quantum chromodynamics to calculate how quarks and gluons interact within the proton, revealing a 3D picture of parton distributions. This approach helps explain the proton's spin and distribution of matter, with implications for understanding particle interactions.
Physicists propose a refined way to test the validity of alternative quantum models, which offer a possible explanation for quantum-classical transition. The team found big differences with previous expectations for low-energy X-ray radiation, depending on atomic species and specific collapse model.
A research team at the University of Würzburg has achieved electrically controlled modulation of light antennas, paving the way for ultra-fast active plasmonics. This breakthrough could lead to significantly faster computer chips and new insights into energy conversion and storage technologies.
Researchers at MIT have directly observed edge states in a cloud of ultracold atoms, capturing images of atoms flowing along a boundary without resistance. This discovery could enable super-efficient energy transmission and data transfer in materials.
Debaditya Biswas combines different particle identification methods with machine learning to detect muons hidden in a sea of pions. He plans to simulate reactions and assess the viability of various techniques, including traditional PID, PSD, and machine learning, to optimize muon detection for future experiments.
LMU researchers investigated how cell nuclei change shape to migrate through tight spaces, revealing reversible nuclear deformation and adaptation of pulling and pushing forces. The study suggests a biphasic dependence of migration speed on channel width, with maximal transition rates at widths comparable to the nuclear diameter.
Researchers have introduced a novel particle encoding mechanism that addresses longstanding issues in particle identification, enabling precise digital representation of complex particles. This new method is adaptable for future discoveries and has the potential to unlock new frontiers in particle physics.
Researchers confirm Kagome superconductor, a class of materials with star-shaped structure exhibiting unique electronic, magnetic, and superconducting properties. The discovery enables novel electronic components, such as superconducting diodes, with potential for energy-efficient quantum devices.
Mary Bishai, a Brookhaven physicist, has been recognized as a Distinguished Scientist Fellow by the DOE Office of Science. Her work on understanding neutrinos' properties has led to extraordinary leadership and service to the particle physics community. As a mentor, she is guiding the next generation of researchers.
Physicists at European XFEL have made comprehensive observations of ionisation processes in warm dense matter. The team observed how quickly copper transforms into the exotic state of ionised WDM to become transparent to X-rays.
A team of researchers has demonstrated a novel way of storing and releasing X-ray pulses at the single photon level, enabling future X-ray quantum technologies. This breakthrough uses nuclear ensembles to create long-lived quantum memories with improved coherence times.
Researchers at the University of Bath have discovered a new optical phenomenon called hyper-Raman, which can penetrate deeper into living tissue and yield images with better contrast. This effect has significant potential applications in pharmaceutical science, security, forensics, environmental science, art conservation, and medicine.
Karthik Suresh's dissertation on meson decay in GlueX earned him the prestigious 2023 Jefferson Science Associates (JSA) Thesis Prize. His work built upon previous research by Ahmed M. Foda and Amy M. Schertz, contributing to the development of a spectrum of mesons.
Researchers at Imperial College London have successfully demonstrated muon-marshalling technology, a key step towards building a muon collider. The breakthrough enables more efficient high-energy collisions, revolutionizing particle accelerator research and potential applications.
Scientists at European XFEL have developed a new method to study warm dense matter, allowing for unprecedented insights into its structure and properties. This breakthrough enables the investigation of plasmons in ambient aluminum with ultra-high-resolution X-ray Thomson scattering.
A team of experimental physicists has achieved a breakthrough in topological quantum computing by inducing superconducting effects in edge-only materials. This discovery could lead to the development of stable and efficient quantum computers, with potential applications in fields like quantum computing and technological advancements.
Researchers from the Max Born Institute have developed a method to manipulate magnetism using circularly polarized XUV radiation, generating large magnetization changes without thermal effects. The study demonstrates an effective non-thermal approach to controlling magnetism on ultrafast time scales.
Theoretical physicists at Utrecht University have discovered that fractals might hold the key to making electric currents flow without energy loss. By growing fractal structures on top of semiconductors, scientists have created materials with zero-dimensional corner modes and lossless one-dimensional edge states.
Research using a novel microscopic technique reveals that gold nanoparticles' lethality to cancer cells is more complex than previously thought. Smaller nanoparticles can regenerate and divide after initial stress, while larger star-shaped particles cause oxidative stress leading to programmed cell death.
Physicists at the University of Cologne have discovered that magnetic elementary excitations in BaCo2V2O8 crystals are bound by both attractive and repulsive interactions. The study found that repulsively bound states, which were unexpected due to their lower stability, can exist in these materials.
A team of researchers has determined a fundamental spatial limit for light-driven magnetization reversal in nanometer-scale materials. They found that the minimum size for all-optical switching is around 25 nm due to ultrafast lateral electron diffusion, which rapidly cools illuminated regions.
Researchers have built the most precise experiment yet to look for gravitational anomalies caused by dark energy, using a lattice atom interferometer that can hold atoms in place for up to 70 seconds. While no deviation from predicted theory was found, the improved precision opens up possibilities for probing gravity at the quantum level.
Researchers have discovered unusual transport phenomena in ultra-clean SrVO3 samples, contradicting long-standing scientific consensus. The study's findings challenge theoretical models of electron correlation effects and offer insights into the behavior of transparent metals.
Researchers used ultrafast terahertz Stark spectroscopy to characterize the molecular quantum states involved in the proton pump reaction of bacteriorhodopsin. The study reveals pronounced quantum state mixing in the early electronic and nuclear dynamics, supporting a picture of mixed excited-state characters.
Scientists have discovered unique periodic structures in manganese germanide that behave like magnetic monopoles and antimonopoles. The researchers studied the collective excitation modes of these structures, revealing a way to experimentally determine their spatial configuration.
The MOLLER experiment aims to make a precise measurement of the electron's weak charge, probing its interactions with other subatomic particles. This will provide a stringent test of the Standard Model, revealing valuable insights into fundamental forces.
A team of researchers successfully demonstrated the principles of gravity-mediated entanglement in a photonic quantum simulation. This breakthrough provides crucial insights into the nature of gravity and its interaction with quantum mechanics.
Researchers at Columbia University have successfully created a unique quantum state of matter called a Bose-Einstein Condensate (BEC) out of molecules. The breakthrough, achieved by cooling sodium-cesium molecules to just five nanoKelvin, has the potential to advance powerful quantum simulations and unlock new areas of research.
The Facility for Rare Isotope Beams' (FRIB) precision measurement program has verified the existence of a proton halo around aluminum-22. Researchers used a unique process to create and measure a high-energy beam of the isotope, achieving accurate mass measurements that confirm its rare properties.
Holly Szumila-Vance has won the prestigious 2024 Guido Altarelli Award – Experimental Physics for her outstanding contributions to investigations of color transparency and other nuclear manifestations of QCD. Her work revealed new details of how protons interact with the strong force inside matter, but did not observe color transparent...
A recent study combines experimental data with state-of-the-art calculations to reveal new details on the origins of proton spin. The research shows that gluons, which hold protons together, contribute significantly to the proton's spin, contradicting earlier findings.
Researchers at Washington University in St. Louis have developed a new technique to enhance quantum entanglement stability in qubits. This breakthrough addresses the challenges of maintaining coherence and reliability in quantum systems.
Physicists from TU Darmstadt propose a new approach to define and measure the time required for quantum tunneling. They suggest using Ramsey clocks, which utilize the oscillation of atoms to determine the elapsed time. The proposed method may correct previous experiments that observed particles moving faster than light during tunneling.
Physicists from Princeton University have discovered the microscopic basis of kinetic magnetism, a novel form of quantum magnetism. They directly imaged the unusual type of polaron that gives rise to this magnetism, using ultracold atoms in an artificial laser-built lattice.
Researchers demonstrate novel method of boson sampling using ultracold atoms in a two-dimensional optical lattice, overcoming previous limitations in simulations and photon-based experiments. The achievement showcases the potential of quantum devices for performing non-classical computational tasks.
Scientists have developed a powerful tool to investigate molecular dynamics in real-time, tracing the evolution of gas-phase furan and uncovering its ring-opening dynamics. The technique, based on attosecond core-level spectroscopy, provides an extremely detailed picture of the relaxation process.
Researchers at the University of Basel and NCCR SPIN have successfully coupled two hole-spin qubits, enabling fast and precise controlled spin-flip operations. This achievement is a significant milestone in the quest for practical quantum computing, with millions of qubits on a single chip.
A new theory explains why one type of Mott insulator resists conducting electricity even with added electrons. The material's lattice structure interacts with trapped electronic charge to form bipolarons, acting as roadblocks for electron movement.
MIT physicists arrange dysprosium atoms as close as 50 nanometers apart, a limit previously set by the wavelength of light. This allows for enhanced magnetic forces, thermalization, and synchronized oscillations, opening new possibilities for studying quantum phenomena.
Researchers propose an experiment to test the quantum nature of gravity without relying on entanglement. By using massive harmonic oscillators, they aim to reveal the quantumness of gravity in a way that was previously challenging due to the difficulty in creating heavy mass states.
A new atomically-thin material has been discovered that can switch between an insulating and conducting state by controlling the number of electrons. This property makes it a promising candidate for use in electronic devices such as transistors.
Researchers at Penn State have made light effectively experience a magnetic field within a photonic crystal structure. This breakthrough could lead to more efficient lasers and other photonic technologies by increasing the interaction between light and matter.
Researchers at the Universiteit van Amsterdam triggered mini-earthquakes in a lab by applying a small seismic wave to a granular material. The study shows that these events can be understood using laboratory-scale frictional experiments, and its findings are relevant for understanding remote earthquake triggering in larger faults.
Physicists at Princeton University have successfully visualized the Wigner crystal, a quantum phase of matter composed of electron crystals. The team used a scanning tunneling microscope to directly image the crystal, confirming its properties and enabling further study.
The novel UV broadband spectrometer enables real-time analysis of air pollutants and their interaction with other gases and sunlight. It combines high spectral resolution, short measurement times, and large bandwidth, making it suitable for sensitive measurements and monitoring of gas concentrations.
A German-Chinese team at Goethe University Frankfurt has successfully visualized the temporal evolution of electron waves using the Kapitza-Dirac effect. The researchers measured the time-dependent interaction between free electrons and ultrashort laser pulses, opening up exciting applications in quantum physics.
Researchers at Caltech have demonstrated quantum Barkhausen noise, which is the collection of little magnets flipping in groups. This effect is caused by quantum tunneling and co-tunneling, leading to macroscopic changes in magnetization, even without classical effects.
Researchers at SLAC National Accelerator Laboratory propose detecting thermalized dark matter, which builds up on Earth's surface, using quantum sensors. The study suggests that superconducting quantum devices could be redesigned to detect low-energy galactic dark matter particles.
A team from the University of Copenhagen contributed to an Antarctic experiment studying neutrinos, which may hold the answer to whether gravity also exists at the quantum level. The study found no conclusive changes in neutrino properties, but the results do not exclude the possibility of quantum gravity.
Researchers from the Institute of Nuclear Physics propose using AI to reconstruct particle tracks, which will be crucial for experiments finding new physics. The proposed method uses a deep neural network trained on simulated data and achieves accurate results comparable to classical algorithms.
Researchers have developed a new method to visualize the quantum mechanical wave function of excitons in organic semiconductors. This understanding is essential for developing more efficient materials with organic semiconductors. The technique, known as photoemission exciton tomography, provides insights into the behavior of excitons i...