Articles tagged with Experimental Physics
A high-precision experiment reveals that protons and neutrons in small nuclei prefer to pair up with others of the same kind more often than expected. The study provides new details about short-distance interactions between particles and may impact results from experiments seeking to tease out further nuclear structure details.
Scientists studying particle collisions at RHIC observed signs of gluon saturation in heavier nuclei, with suppression of back-to-back pairs increasing with larger nucleus size. The results support theoretical models and provide insight into the behavior of gluons in dense nuclear matter.
Researchers at Princeton Plasma Physics Laboratory have successfully applied boron powder to tungsten components in tokamaks, improving plasma confinement and reducing the risk of edge-localized modes. The innovative approach uses a PPPL-developed powder dropper to deposit boron coatings while minimizing disruptions to the magnetic field.
Researchers create new 'roadmap' for turbulence by analyzing weak turbulent flow between two independently rotating cylinders. They discover that turbulence follows a predictable pattern of recurrent solutions, which explain the emergence of coherent structures in turbulent flows.
A team of researchers uses mirrors to gather more light and views of an object from different angles, allowing them to reconstruct a three-dimensional model of an atom cloud. This technique enables 'light-field imaging', capturing not just intensity but also direction of light rays.
A research team from the University of Göttingen has observed the build-up of dark Moiré interlayer excitons for the first time using femtosecond photoemission momentum microscopy. This breakthrough allows scientists to study the optoelectronic properties of new materials in unprecedented detail.
Researchers at ICFO successfully simulated a topological gauge theory using ultracold potassium atoms dressed with laser light, moving beyond previous electromagnetism simulations. This breakthrough allows for better understanding of exotic quantum behavior in materials and error correction codes for future quantum computers.
Scientists have successfully implemented the world's fastest two-qubit gate in a quantum computer, achieving an impressive speed of 6.5 nanoseconds using cold atoms cooled to near absolute zero and optical tweezers. This breakthrough has significant implications for the development of ultrafast quantum computing hardware.
The study observes electric gate-controlled exchange-bias effect in van der Waals heterostructures, enabling scalable energy-efficient spin-orbit logic. The team successfully tunes the blocking temperature of the EB effect via an electric gate, allowing for the EB field to be turned 'ON' and 'OFF'.
Researchers at the University of Innsbruck developed a quantum computer that can perform arbitrary calculations using quantum digits (qudits), exceeding classical computers' efficiency. This innovation unlocks more computational power with fewer quantum particles.
A team of scientists has successfully built a neutron interferometer using two separate crystals, a major breakthrough in quantum physics. This achievement opens up new possibilities for quantum measurements and research on quantum effects in a gravitational field.
A Polish-Japanese team demonstrates a salutary delay in the reaction of crystal atoms to an avalanche of photons, using X-ray laser pulses. This discovery enables the observation of an undisturbed structure of matter by using sufficiently short laser pulses.
Researchers at Johannes Gutenberg University Mainz are investigating the dynamics of spin structures, including the pinning effects of skyrmions on thin films. The study reveals that skyrmions get stuck in
Researchers successfully manipulated energy levels in tungsten diselenide to induce luminescence, a breakthrough for controlling matter through light fields. The discovery could enhance optical properties of organic semiconductors, leading to innovative LED and solar cell applications.
A series of FQXi-funded experiments deep under the Italian mountains failed to find evidence in support of a gravity-related quantum collapse model, undermining the feasibility of this explanation for consciousness. The team used an extremely sensitive cylindrical detector and reported no spontaneous radiation signals after running the...
A research team investigated the microscopic scale of furniture movement, finding moiré patterns reduce static friction when objects rotate simultaneously. This discovery could lead to ultra-low friction micro-machines.
The researchers successfully demonstrated attosecond-pump attosecond-probe spectroscopy to study non-linear multi-photon ionization of atoms. The experiment showed that the absorption of four photons from two attosecond pulse trains led to three electrons being removed from an argon atom.
Physicists confirm quark mass existence via observation of dead cone effect, a phenomenon predicting quarks with higher masses emit fewer gluons. The effect, predicted 30 years ago, involves a 'dead cone' where gluons do not appear at lower energies and larger quark masses.
Researchers at Boston College have discovered a new particle known as the axial Higgs mode, a magnetic relative of the mass-defining Higgs Boson particle. The detection was made possible by using light scattering and quantum simulator techniques in a tabletop experiment at room temperature.
Researchers at the University of Innsbruck have successfully implemented a universal set of gates on encoded logical quantum bits, enabling fault-tolerant quantum computing. The demonstration showcases two essential gates: CNOT and T-gates, which are crucial for programming all algorithms.
Researchers at NIFS have made a groundbreaking discovery in fusion plasmas, finding that turbulence moves faster than heat. This characteristic allows for predictive control of plasma temperature, paving the way for real-time manipulation. The study used advanced instruments to measure turbulent behavior with unprecedented accuracy.
Researchers have created a giant magnetochiral anisotropy effect in topological insulator nanowires, allowing for highly controllable current rectification. This discovery opens the pathway for technological applications and demonstrates a significant step towards achieving topological qubits.
Researchers discover innovative method to test Unruh effect in lab settings, enabling experimentation with high-intensity lasers. They also find acceleration-induced transparency, a phenomenon that could aid in unifying Einstein's general relativity with quantum mechanics.
Physicists from Cracow have developed a new measurement technique to track phenomena lasting attoseconds, using X-ray chronoscopy. This approach potentially makes it possible to infer events in the world of attophysics even at current XFEL technology.
Researchers at Helmholtz Institute Jena set a new record for polarized X-ray purity with 8×10^−11, enabling experiments on quantum optics and charge distribution in solids. The discovery also holds promise for detecting vacuum birefringence and could provide clues to previously unknown elementary particles.
Researchers have developed a method to control the rotational states of chiral molecules, allowing for specific separation of enantiomers. By irradiating chiral molecules with UV radiation and microwaves, the team has gained more control over which 'hand' is in which state.
Researchers discovered a stronger flow in the plasma core surrounding the thermal insulation layer in deuterium plasmas, leading to better thermal insulation. This finding could improve future fusion power plants using deuterium and tritium as fuels.
Researchers at MIT and University of Waterloo propose stimulating the Unruh effect to increase its probability of detection, potentially shaving wait time from billions of years to just a few hours. The new approach, known as acceleration-induced transparency, enhances the Unruh effect while suppressing competing effects.
Researchers Francesca Ferlaino, Kathrin Thedieck and Hans Briegel will investigate new systems for quantum matter simulation, control of mTOR-dependent metabolic processes, and AI-driven quantum experiments. Their work has the potential to revolutionize fields such as physics, computer science and medicine.
Researchers subject Oreos to various tests, finding that the cream almost always separates onto one wafer, regardless of flavor or amount of filling. The team's study provides insights into the properties of yield stress fluids and offers a new approach to understanding non-Newtonian materials.
The MARATHON experiment has accessed new details about the particles that build our universe by comparing mirror nuclei helium-3 and tritium. The results provided a precise determination of the ratio of proton/neutron structure function ratios, offering new insights into the internal structures of protons and neutrons.
A POSTECH research team has developed a platform that can control and measure the properties of solid materials with light. This breakthrough enables the manipulation of quantum states in solids, which can be effectively used in quantum systems.
Scientists have discovered a speed limit for computer chips, with one petahertz being the maximum frequency for signal transmission. The research uses ultra-short laser pulses to create electrical currents in dielectric materials, allowing for faster data transmission.
Physicists from Cracow-based Institute of Nuclear Physics found that the proton's charm structure might affect our understanding of cosmic neutrinos. Recent LHCb detector measurements support a model with a higher charm quark contribution, which could mislead astronomers about high-energy neutrino origins.
Researchers from the University of Seville have conducted a groundbreaking experiment demonstrating quantum contextuality without loopholes. The study uses atomic ions to show that certain probabilities have a limit, contradicting previous findings.
Researchers from Mexico and Poland discover fragments of a proton's interior exhibit maximum entanglement, affecting theoretical predictions. The study relates this phenomenon to concepts like entropy and temperature, previously linked to exotic objects like black holes.
Researchers at the University of Innsbruck have successfully manipulated dark states in superconducting circuits using microwave radiation. The team's discovery opens up new possibilities for quantum simulations and information processing, which could have significant implications for fields such as chemistry and materials science.
Researchers have observed the 'quantum boomerang effect,' a fundamental feature of localized matter that baffles classical predictions. They also report a new kicked quasicrystal and strong evidence for a real-life time crystal, produced using Google's Sycamore quantum computer.
Researchers have discovered that magnetic spin waves can propagate on circular paths in certain materials, enabling efficient and compact information transfer. This phenomenon, known as Landau quantization, has significant implications for the development of new electronic components.
Scientists at Japan's National Institute for Fusion Science discovered a self-sustained mechanism that controls the heat load on the divertor in a fusion reactor. By analyzing the magnetic island and plasma current mirror, they found a competition between two processes that can be described by a biological predator-prey model, which su...
Rice University physicists have developed a technique to engineer Rydberg states of ultracold strontium atoms, creating 'synthetic dimensions' that simulate real materials. This breakthrough enables the creation of interacting particles in a controlled environment, paving the way for new physics and material properties.
Physicists at the Polish Academy of Sciences have observed 'tennis-like' vibrations in lead nuclei excited by high-energy proton collisions, a phenomenon previously seen only once over three decades ago. The researchers used advanced detectors to measure gamma quanta and confirm oscillations in the nucleus.
Researchers from Argonne National Laboratory have created a set of new practices to guide the curation of high energy physics datasets, making them more FAIR and reusable. The goal is to automate the finding and use of data for humans and streamline the development of AI tools for scientific discovery.
Physicists at the University of Sussex have developed a remote monitoring system for quantum devices, allowing for real-time control and issue resolution. This system enables researchers to monitor environmental factors such as temperature, pressure, and laser beams in ultracold quantum laboratories.
Researchers used a COLTRIMS reaction microscope to determine the duration of an electron's release after photon absorption. The study found that the emission time depends on the direction and velocity of the electron, revealing a complex interplay between quantum physics and molecular dynamics.
Physicists have measured the oscillation frequency of Bs0 mesons with unprecedented accuracy, revealing that they oscillate between matter and antimatter three trillion times per second. This measurement agrees with quantum mechanics predictions and narrows search areas for particles undescribed by the Standard Model.
A research team from the University of Jena has made an important breakthrough in generating high-energy proton radiation using laser-plasma interaction. By precisely adjusting parameters such as foil thickness, laser focusing, and pulse duration, they have achieved a maximum energy yield that could enable the development of smaller an...
A research team has successfully visualized the 3D structure of human chromosomes using coherent X-rays, revealing a fractal structure and providing insights into genetic information transmission. The study's findings have significant implications for understanding genetics and uncovering the structures of other materials like viruses.
Researchers discovered a new method to control spin-lattice interaction with ultrashort terahertz pulses, potentially revolutionizing ultrafast data processing and storage. This breakthrough could address the growing energy demands of data storage centers.
Researchers investigate Mandelstam-Tamm limit, finding minimum time for quantum information change depends on energy uncertainty, and second speed limit emerges when energy uncertainty exceeds average energy of atom. This discovery proves fundamental limits to quantum computers' processing power.
Researchers have discovered that negative capacitance in topological transistors can switch at lower voltage, potentially reducing energy losses. This new design could help alleviate the unsustainable energy load of computing, which consumes about 8% of global electricity supply.
Researchers have demonstrated a novel topology arising from losses in hybrid light-matter particles, introducing a new avenue to induce topological effects. The study found that the mere presence of loss in an exciton-polariton system causes it to exhibit nontrivial topology.
Physicists at Technical University of Munich discover potential existence of tetra-neutron, a bound state of four neutrons, which could significantly alter our understanding of nuclear forces. The experiment's results suggest a half-life of 450 seconds and stability comparable to the neutron.
Latifa Elouadrhiri received the 2021 Jesse W. Beams Research Award for her fundamental contributions to nuclear science. Her team made a groundbreaking measurement of proton pressure distribution, opening up new directions in particle physics research.
The University of California, Riverside, has been awarded a $980,000 grant from the Department of Energy to develop an AI-driven detector for the future Electron-Ion Collider. The team will use machine learning techniques to optimize detector design and achieve 'co-design,' a new concept in nuclear physics.
Scientists at Chalmers University of Technology discovered a way to create a stable resonator using two parallel gold flakes in a salty aqueous solution. The structure can be manipulated and used as a chamber for investigating materials and their behavior, with potential applications in physics, biosensors, and nanorobotics.
Researchers at Harvard have successfully observed quantum spin liquids, a previously unseen state of matter that has been elusive for nearly 50 years. By manipulating ultracold atoms in a programmable quantum simulator, the team was able to create and study this exotic state, which holds promise for advancing quantum technologies.
Scientists from Stanford University and Google Quantum AI have successfully created a time crystal, a new phase of matter that repeats in time without energy input. The achievement opens up opportunities to explore new regimes in condensed matter physics, providing insight into non-equilibrium quantum systems.
A team of nuclear physicists used electron studies to validate neutrino-nucleus interaction models, highlighting the need for updates to achieve accurate results in upcoming neutrino experiments. The study utilized an electron-scattering version of GENIE, a theoretical simulation used in neutrino research.
Researchers have successfully created an experimental model of a skyrmion particle in a beam of light, providing a real system to demonstrate the behavior of this elusive type of fundamental particle. The study reveals the intricate structure and topological properties of skyrmions, which can be distorted but not broken.