Articles tagged with Experimental Physics
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.
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 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 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 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.