Articles tagged with Particle Physics
Physicists have successfully tested the theory of generalized hydrodynamics in one-dimensional gases, demonstrating its accuracy in simulating out-of-equilibrium quantum systems. This breakthrough could greatly simplify the study of such systems and eventually inform the development of quantum-based technologies.
Scientists from RIKEN have developed a new cooling method that enables more precise measurements of protons and antiprotons' magnetic moment. This breakthrough uses sympathetic cooling to reach temperatures close to absolute zero, significantly improving the precision of previous experiments.
Researchers at the University of Tsukuba successfully grow a Li@C60 film on a copper surface, studying its molecular orbitals and enabling transport of electrons. The new method uses a salt with a larger, less strongly bound anion to form a stable monolayer.
A study by NYU Abu Dhabi researchers reveals the connection between central supermassive blackholes and the evolution of their host galaxies. The findings outline gas ejection mechanisms and how they relate to the activity of these blackholes, shedding new light on galaxy evolution.
Researchers at Mayo Clinic found that wearing masks and maintaining physical distance significantly reduce the spread of COVID-19. The study showed that both disposable paper medical masks and two-layer cloth masks were effective in blocking aerosol particles, with increased distance reducing particle counts to near baseline levels.
Researchers have discovered two distinct groups of trans-Neptunian objects with different surface colors exhibit vastly different orbital patterns. This new information can be compared to models of the solar system to provide fresh insights into its early chemistry and the formation of the Kuiper Belt.
Researchers found that normal breathing indoors without a mask can transport virus-laden saliva droplets up to 7.2 feet in just 90 seconds. Masks significantly restrict this movement, reducing the distance to less than 6 feet after two minutes.
Scientists from Tokyo Metropolitan University used super-resolution machine learning to study phase transitions by simulating tiny arrays and then generating a larger estimate. This technique allows for massive computational cost savings, enabling the study of complex materials behavior.
David Moutard, a Wayne State University graduate student, has been selected to participate in the Office of Science Graduate Student Research (SCGSR) program. He will conduct research at the Lawrence Berkeley National Lab and study transient astronomical events, including supernovae and tidal disruption events.
Researchers are analyzing the emergence and spread of infectious aerosols in human breath to understand why some people spread diseases more easily. The team is developing simulation models to predict aerosol distribution and develop medications that can reduce aerosol formation.
Researchers found that portable HEPA air purifiers can significantly reduce in-air aerosols and spread of SARS-CoV-2, suggesting optimal placement directly in front of the person or instrument expelling aerosols. A ventilation rate of 288 cubic meters per hour is recommended for each person within the room.
Scientists used laser imaging and fluorescent particles to study water flow in tire grooves, finding vortices and bubbles that can contribute to hydroplaning. The study's findings may help improve tread designs to counteract this phenomenon.
Researchers at the University of Bonn have determined a minimum time for transporting cesium atoms using quantum mechanics. The study reveals that complex operations are limited by both energy uncertainty and the number of intermediate states, with implications for quantum computing.
A team of researchers used a quantum computer to explore non-Hermitian quantum mechanics and demonstrated experimental results that are forbidden by regular Hermitian quantum theory. They also showed that entanglement can be altered in a way that is not possible under regular quantum physics.
Researchers used advanced computational fluid dynamics tools to study the transmission of COVID-19 in a restaurant outbreak. The simulations revealed two potential transmission pathways, including those caused by aerosols rising from beneath tables and reentry aerosols associated with limited air conditioner filtration efficiency.
Researchers discovered that amphipods can close their claws in under 0.01% of a second, generating high-energy water jets and audible pops. The tiny creatures' fast movements defy physics laws, with potential applications for engineers and designers.
Researchers have developed physics-based technologies to study virus reproduction, revealing dynamic processes like self-assembly. These findings may lead to the development of new antiviral drugs that disrupt critical steps in the virus cycle.
Researchers from the University of Münster and Düsseldorf provide an in-depth summary of the dynamical density functional theory, a method used to describe interacting particles. The article covers various branches of physics and applications in chemistry, solid state physics, and biophysics.
Researchers use a commercial hand-held particle counter to measure aerosol concentrations, finding results match laboratory-based techniques. This method helps determine infection risks and assesses the impact of ventilation improvements.
Researchers found that wearing a mask can actually increase the inhalation of aerosols into the nose, making fine particles smaller than 2.5 micrometers more problematic. The study suggests that choosing a more effective mask and wearing it properly are crucial to curb COVID-19 transmission.
Researchers found that microplastics can be internallyized by living cells after being exposed to natural aquatic environments, where biomolecules form an 'eco-corona' on the surface of particles. This process allows plastics to be internalized into tissue.
Researchers found that aerosol microdroplets, the tiny particles lingering in the air, contain less virus than larger droplets produced during coughing or sneezing. This reduces the risk of infection in well-ventilated spaces.
Researchers aim to demonstrate ideal energy transfer in quantum systems, potentially leading to more efficient engines and quantum computers. The project uses superconducting circuits to design experiments that can be carried out within realistic quantum systems.
Scientists at Osaka University have discovered a novel mechanism, microtube implosion, which generates megatesla-order magnetic fields. This breakthrough is three orders of magnitude higher than what has been achieved in a laboratory, with potential applications in materials science, quantum electrodynamics, and astrophysics.
Shengfeng Cheng aims to control the movement and distribution of substances dissolved into a solvent as a solution is dried. His research could lead to new methods of fabricating particulate materials, such as thin film coatings and drug-loaded particles.
Researchers have developed a method to recharge N95 masks, restoring their 95% filtration efficiency and enabling smart masks. The technique exploits electrostatics-based materials, allowing for easy charge replenishment using a battery or washing machine, making it suitable for various air filtration applications.
Flushing public restrooms can spread virus-laden particles, including COVID-19. Researchers found that urinal flushing releases more than 57% of particles into the air, with some reaching thighs within 5.5 seconds.
A new mathematical procedure minimizes the sign problem in quantum Monte Carlo method, reducing computational time for solid-state systems. This approach enables faster development of materials with special spin properties.
Researchers at MIT and Caltech explored the theoretical possibilities of quantum communication in blackjack, finding a slight advantage for cooperative players. In a limited number of situations with low cards left in the deck, quantum entanglement can give players an edge over classical card-counting strategies.
Researchers developed a new mathematical model that incorporates environmental factors into predicting respiratory virus transmission, highlighting the importance of weather conditions on droplet spread. The model suggests that social distancing measures may not be sufficient to prevent transmission without masks in humid climates.
Researchers found that microswimming particles can be made to organize into different collective states, supporting the hypothesis of critical behavior. The study demonstrates a close link between collectivity and critical behaviour, suggesting a physical principle underlying complex animal group behavior.
Researchers have developed a method using phononic crystals to generate tunable, time-variant sound fields that can trap and transport particles and cells in microchannels. This technology has potential applications in display technology, biomedical sensors, and diagnostic tools.
A team of physicists from Università di Trento created colloidal glasses with controlled unidirectional stress, allowing for the manipulation of mechanical properties. This breakthrough could enable the development of new types of glass for various industrial applications.
A team of researchers found that drag forces experienced by particles straddling interfaces between un-mixable fluids are less affected by the shape of the distortion. The study's discovery could have implications for self-assembling properties of various species, including nano- and microparticles, proteins, and other molecules.
Researchers create synthetic coronavirus particles to study how they withstand changes in humidity and temperature. The study aims to inform policy decisions on the spread of the virus in different environmental conditions.
Researchers propose updated equations that simplify calculations for distinguishing between two types of 'non-Gaussian curve' and genuinely quantum states. This approach could speed up advances in quantum communication and computation.
Researchers laser-cooled a 150-nanometer glass sphere containing 100 million atoms to its quantum ground state, revolutionizing the study of macro-quantum physics. This achievement enables unprecedented opportunities to test fundamental physics and probe the boundaries between classical and quantum mechanics.
Researchers developed a technique for handling tiny, soft particles using precise fluid flows, allowing them to test the physical limits of these particles. The technique, known as the Stokes trap, was used to study the dynamics of vesicles and their deformation under different flow conditions.
A recent proposal aims to test Einstein's twin paradox using quantum particles in a 'superposition' state. The goal is to measure time passing at different speeds for objects moving at high velocities or near massive objects.
Physicists simulate infinite quantum particles to understand macroscopic scale behavior, reconciling quantum mechanics and classical mechanics. This approach allows for the calculation of physical entities like the second virial coefficient, enabling robust predictions.
Artificial microswimmers with forward and long-range vision form stable groups by perceiving the number of neighbors within their field of view. This process allows for efficient movement, evasion of predators, and adaptation to environmental stimuli without requiring precise location information.
Scientists successfully synthesize polymer nanoclusters and fibers at temperatures below 2K, opening up possibilities for creating new materials. The synthesis was achieved using a multimodal dusty plasma cooled by superfluid helium.
Researchers from the University of Chicago and the University of Bath used acoustic levitation to study the shape of prototypical clusters that form when particles are added one by one. They found that with six particles or more, different shapes can assemble, including parallelogram, chevron, and triangle configurations.
Researchers at the University of Bath use sound waves to levitate particles, discovering multiple shapes they can assemble into when brought together. The team found that changing sound-wave frequency can manipulate clusters and influence emergent shape.
A new study from Caltech reveals that dietary fiber plays a role in clumping gut particles, which may affect drug absorption and microbial populations. Longer fibers promote physical aggregation of particles, providing a potential mechanism for controlling particle behavior in the gut.
The SPHEREx mission, led by Caltech and managed by NASA's Jet Propulsion Laboratory, will conduct an all-sky spectroscopic mapping of the universe. Argonne researchers will contribute to the mission's cosmological simulations, galaxy identification, and large-scale structure analysis.
Research on dietary fiber polymers reveals they physically influence the small intestine environment by causing solid particles to group together. This aggregation can impact nutrient and drug absorption, highlighting a previously underappreciated role of dietary fibers in gut function.
Scientists have successfully created a holographic acoustic tweezers system that can trap and manipulate particles in three dimensions. This technology has potential applications in small-scale assembly and the creation of 3D displays with levitating voxels.
Wits physicists have developed a new device for manipulating and moving tiny objects, such as single cells in a human body or tiny particles in small volume chemistry, using the full beam of laser light. The device uses vector holographic trapping and tweezing to control and manipulate minute objects with high precision.
Physicists at the University of Warwick have developed a new test to spot quantum coherence in nature, which could lead to breakthroughs in quantum technologies like computers and sensors. The test clarifies the conditions under which biological systems may exploit quantum mechanics.
Researchers from UCL and University of Reading studied rapidly evolving aurora to understand energy release physics. They mapped back to where instabilities occur in space, gaining valuable physical clues.
Research team at Michigan Tech found wildfire aerosol particles remaining in atmosphere for up to a week, defying expectations of rapid oxidation. This discovery has significant implications for climate predictions and the role of aerosols in global warming.
Physicists have been debating whether Einstein's equivalence principle extends to the quantum world. A University of Queensland researcher and her team found that it does, with implications for our understanding of gravity and mass in quantum physics.
Chinese researchers developed interfacially polymerized porous polymer particles for efficient separation of low-abundance glycopeptides. The particles use hydrophilic-hydrophobic heterostructured nanopores to separate biomolecules, overcoming existing challenges in homogeneous porous materials.
Researchers have developed new magnetic Janus particles for efficient oil-water separation. The particles separate micro-scaled oil droplets from water rapidly and efficiently, achieving high separation efficiency.
Researchers propose creating and analyzing new systems governed by entanglement properties directly connected to the original ones, making it easier to quantify experimentally. This innovative approach can be carried out in several experimental conditions, from atomic systems to superconducting circuits.
Physicists at FAU have demonstrated that macroscopic particles rotating in opposite directions form homogeneous groups. The researchers used miniature robots manufactured using 3D printing methods for their experiment. After only one minute, single domains were clearly visible, and after 15 minutes, the robots had almost entirely demixed.
Researchers developed an algorithm to simulate molecular dynamics of patchy particles, which are made up of a rigid body with only two charged patches. The findings provide new insights into what makes biological entities like protein/DNA combinations self-assemble.
Researchers at Emory University found that a system of lifeless particles can change between crystalline and fluid states, mimicking collective behavior seen in living systems. This phenomenon occurs when the environment remains stable, suggesting that complex properties can emerge from simple systems.
Researchers at Imperial College London have discovered a novel water droplet behavior that allows some droplets to form 'crowns' around particles, enabling efficient liquid deposition and coating. This breakthrough has implications for industrial spray drying methods used in detergent and instant coffee production.