Articles tagged with Experimental Physics
Susan Fullerton, a researcher at the University of Pittsburgh, has been awarded a $1.35 million grant to study a hidden layer of ions in electronic devices. The goal of the project is to design ultra-low-power devices that can process vast amounts of data in real-time.
Researchers create 3D light fields to excite electrons into previously inaccessible quantum states, opening up new avenues for investigating chiral structures and controlling light-matter interactions. This approach could lead to advances in chiral sensing and molecular chirality studies.
Physicists at University of Toronto have identified 'octupolar' magnetism, a complex form of magnetism with eight poles, using light to probe atomic vibrations. This discovery opens up new avenues for quantum technology development, including controllable memory elements and computing devices.
Researchers at Stanford University have documented the first direct observation of quantum jumps of sound in a mechanical resonator, a long-anticipated breakthrough. The study's findings have the potential to advance quantum computing, sensing, and everyday technologies.
Researchers used photons and electrons to create hollow gold nanoboxes, differing in material properties, and demonstrated that beam observation affects chemical reactions.
Researchers at the University of Texas at Dallas discovered that making ice colder can weaken its grip on surfaces, making it easier to remove. This challenges conventional thinking and suggests that in extremely cold environments, cooling ice rather than warming it may be a better approach.
Researchers have developed a method to print three-dimensional structures in ice using evaporative cooling, which also regulates body temperature. The technique allows for printing arbitrary profiles without additional support, with applications in biology and microfluidics.
Researchers successfully film the generation of electrical energy from light, providing a fundamental understanding of the physical processes involved in organic solar cells. The study, published in Physical Review X, reveals the spatial distribution and temporal evolution of excitons in the first moments of their existence.
Researchers at UT San Antonio have found a way to create tiny clusters of disordered atoms that move oxygen ions more easily at lower temperatures, boosting fuel cell efficiency and durability. The breakthrough could help make fuel cells cheaper, more durable and easier to use outside the lab.
Scientists have developed a technique to measure the spectrum of a single molecule without destroying it. By using quantum information processing, they were able to detect the absorption of individual photons and identify a characteristic molecular vibration. This breakthrough enables precise spectroscopy of complex molecules and paves...
A research team has produced the first experimental verification of a theoretically predicted flow state in the interiors of rapidly rotating celestial bodies. The experiment replicated the physical processes that occur in stars and planets, providing a robust experimental basis for testing theoretical models.
Researchers validated Japan's seismic design guidelines through full-scale shaking table tests, revealing hidden vulnerabilities in cable trays. A simple steel-wire reinforcement method significantly improves seismic performance in new and existing buildings, enhancing public safety and business continuity.
A German research team has successfully generated stable laser pulses in the femtosecond range, allowing for the manipulation of individual electrons. The team's achievement enables the stability of the electric field oscillations across a wide range of timescales, from microseconds to hours.
Scientists have developed a table-top technique using all-attosecond transient absorption spectroscopy to study the oscillatory motion of an electron vacancy in xenon ions. The results provide insights into the underlying dynamics of light-induced processes.
Researchers propose a multiple-moon-aided Jovian capture method utilizing solar gravity perturbation (SGP) to reduce velocity increments. The study uses four dynamic models and computes datasets to analyze the mechanism of SGP, revealing its influence on perijove radius change.
Researchers measured high-energy gamma-ray emissions from unstable curium nuclei produced in fission, providing insights into pygmy resonances and the fission process. The study's results enable reliable comparisons of gamma-ray emissions across isotopes, aiding nuclear theorists in improving models describing fission dynamics.
Researchers unveiled a technique to build ultra-clean 2D heterostructures using muscovite crystals, eliminating microscopic residues that disrupt electronic device performance. This method enables precise stacking of atomic layers, leading to new properties and potential breakthroughs in quantum computing and nanoelectronics.
Researchers demonstrate reversible switching of helimagnetic order by manipulating the polarity of an electric current under an applied magnetic field. The study provides a principle for controlling complex magnetic order using electric currents, advancing fundamental understanding of helimagnets.
Scientists at CUNY ASRC successfully amplify electromagnetic waves by simulating ultrafast rotation, recreating Penrose-Zel'dovich process. This breakthrough enables experimental studies of extreme rotational dynamics and opens new avenues for wireless communications and optics applications.
Researchers developed a simple passive way to tune wave energy devices, using submerged cones attached to a floating platform. This approach improved the device's ability to capture wave energy in both regular and irregular waves, with efficiency rates of up to 52% and 21.5%, respectively.
Researchers at Max Planck Institute develop technique to interrogate molecules on surfaces with spectroscopic precision, reaching the ultimate quantum limit. This breakthrough enables study of molecule-surface interactions and molecular quantum technologies.
A team of scientists observed Jahn–Teller polarons in cobalt oxide crystals activated by tailored laser pulses. The study reveals the material's structural, electrical, and magnetic properties can be engineered using ultrafast laser pulses.
Researchers discovered a maximum amount of electrical resistance that can occur due to electron collisions, offering insights into what causes resistivity at the microscopic level. The study found that when interactions between atoms become too strong, the resistivity caused by collisions eventually stops rising and saturates.
A University of Birmingham scientist creates a 'mini universe' with ultracold atoms to test ideas in quantum cosmology and gravity. The experiment demonstrates that time can emerge from changes within a quantum system, revealing a version of time known as 'entropic time', which flows consistently and orders events.
Researchers developed a new method to observe nanoscale spin waves, directly detecting short-wavelength magnons using resonant soft X-rays. The technique, called magnon momentum microscopy (MMM), reveals strong nonlinear interactions and four-magnon scattering processes in magnetic materials.
A new UV dual-comb spectrometer detects harmful gases with unrivalled accuracy and sensitivity, enabling fundamental insights into formaldehyde's properties. The compact design makes it suitable for mobile measurements in cities and industrial areas.
Lanzhou Jiaotong University researchers developed a droplet-based energy harvesting technology that converts secondary wastewater effluents into electricity. The system achieved high output performance and successfully powered LED lights, demonstrating its practical energy harvesting capability.
Dual-comb spectroscopy enables precise, rapid, and broadband measurements using two optical frequency combs with slightly different repetition frequencies. This technique has been implemented across the electromagnetic spectrum, from terahertz to visible range, with ongoing efforts towards ultraviolet range.
Researchers at Nagoya Institute of Technology have developed new guidelines for mixing dense suspensions, reducing impeller speed and energy requirements. The study's findings suggest that placing the impeller near the solid-liquid interface improves energy efficiency in baffled conditions.
Scientists have directly imaged the effect of short current pulses on skyrmions, finding that they break up into disordered patterns before re-forming in a predictable manner. This discovery opens up new possibilities for computing concepts like probabilistic computing.
Researchers from the LIGO–Virgo–KAGRA Collaboration demonstrate how Astro Calibration technique improves signal processing by leveraging astrophysical models and comparison to predicted signals. This enhances detection of cosmic phenomena like black hole mergers, refining estimates of masses, spins, distance, and location.
The Muon g-2 collaboration has made a significant contribution to the measurement of the muon's anomalous magnetic moment, achieving a precision of 127 parts per billion. The team's international collaboration and innovative methods have enabled them to explore subtle wobbles in the subatomic particle.
The new facility enables scientists to observe and measure detonation forces in unprecedented detail, shedding light on industrial safety risks and potential breakthroughs. Researchers aim to develop safer designs and protocols by examining detonation disasters like the Buncefield Fire.
A Tokyo Metropolitan University scientist has proposed using standard synchrotron facilities to study dark photons, a key step in the hunt for dark matter. The method uses radiation safety monitoring data to estimate limits on dark photon properties.
Researchers at Goethe University Frankfurt are exploring modern quantum materials, which exhibit fascinating phenomena in response to external stimuli. Olena Fedchenko investigates electronic structure and properties of these materials using various photon sources.
Researchers directly imaged paired electrons causing electric current to flow without resistance at sufficiently low temperatures. The experiment revealed that the paired atoms moved in a synchronized dance, with their positions dependent on those of other pairs.
Researchers at Ohio State University have discovered a new method for controlling superconductivity by manipulating the surrounding environment. By adjusting electron interactions, they were able to switch the material's superconductivity on and off, revealing a simpler way to control atomic power behind superconductivity.
A Japanese-German research consortium is developing invisible magnets that can manipulate antiferromagnets ultrafast using intense light pulses. This approach has the potential to increase processing speed by a factor of 1,000, revolutionizing optical communication and information technology.
A team from Tokyo Metropolitan University successfully detects laser-assisted electron scattering using circularly polarized light, shedding light on atomic scale helicity and its impact on electron-matter interaction. The signal agrees with theory, but further work is needed to improve detection efficiency and accuracy.
A new material, benzene-phosphonic acid (BPA), enables self-powered operation of smart sensors and wearables. The breakthrough technology reduces fabrication costs and promotes environmental sustainability.
Researchers at TU Wien investigate the surprising effects of ion bombardment on the quantum material 1T-TaS2. They observe a clean and reliable switching behavior, where the material's state is reliably switched after each impact.
The study reveals a novel hydrogen-bonding motif in the deprotonated dimer of phosphoric acid, which may be key to understanding proton transport in phosphoric acid-based systems. This finding provides insight into the molecular origin of phosphoric acid's extraordinary proton conductivity.
Researchers at Goethe University used X-ray radiation to determine the spatial structure of formic acid, finding that its atoms oscillate slightly back and forth. This 'quantum trembling' causes the molecule to lose its symmetry and become effectively three-dimensional at almost every moment.
The Cavendish Laboratory and FormationQ have launched an applied quantum program using IonQ's technology platform to translate advanced research into real-world solutions. The partnership aims to build the institutional ecosystem for sustained adoption of quantum technologies.
The B-STING silica nanocomposite acts as a nanofactory of reactive oxygen species, activating itself in response to changes in the chemical environment. This material can be used to create biocidal coatings that are safe, durable, and resistant to dirt, with potential applications in medicine and other industries.
A team of researchers investigated electron-transfer-mediated decay (ETMD), a key process in radiation chemistry and biological damage. They found that atoms undergo pronounced roaming-like motion, reshaping molecular geometry and influencing decay timing.
Researchers at Tokyo University of Science demonstrate matter-wave diffraction in a short-lived electron-positron atom, marking a major advancement in fundamental physics. The findings pave the way for new research using positronium and could enable sensitive tests of gravity.
Researchers investigated energy shifts in 173Yb+ ions, combining experiment and theory to uncover the nucleus's magnetic field distribution. The study provides an experimental foundation for precise clocks and fundamental physics tests using complex ions like Yb+.
Scientists at SwissFEL have developed a technique known as X-ray four-wave mixing, allowing them to access coherences in matter for the first time. This breakthrough has the potential to illuminate how quantum information is stored and lost, ultimately aiding the design of more error-tolerant quantum devices.
Researchers at the Paul Scherrer Institute have successfully implemented mode-locking to generate coherent trains of X-ray pulses with unprecedented temporal structure. This achievement enables attosecond science and opens up new experimental possibilities, including precise timing of phenomena in gases, liquids, and solids.
Researchers at Texas A&M University are building highly sensitive detectors to explore dark matter and energy. The team's work builds on previous breakthroughs in detecting low-mass particles, and they aim to find ways to amplify signals that were previously buried in noise.
HALIMA, a hybrid array for lifetime measurement of neutron-rich nuclei at IMP, enables precise sub-nanosecond measurements using the four-fold FF/β-Ge-LaBr <sub>3 </sub>(Ce)-LaBr <sub>3 </sub>(Ce) coincidence technique. The system reduces Compton continuums and enhances selectivity via fission fragments implantation.
Scientists have created a new quantum state, known as hybrid excitons, at the interface of organic and 2D semiconductors. This unique state enables ultrafast energy transfer, which holds promise for developing next-generation solar cells and optoelectronic components.
A new AI framework uncovers simple, understandable rules governing complex dynamics in nature and technology. The AI generates equations that accurately describe complex systems, revealing hidden variables that govern their behavior. This approach offers scientists a new way to leverage AI for understanding complex systems.
Researchers simulated the Josephson effect using ultracold atomic gases and observed characteristic Shapiro steps, confirming its universality. The findings enable the study of quantum effects in atomic systems, paving the way for 'atomtronics' and potential applications in quantum computing and medical diagnostics.
The MicroBooNE collaboration has ruled out the possibility of a light sterile neutrino, a hypothetical particle that had long been speculated as a solution to open questions in particle physics. This result narrows the field of possibilities for explaining one of today's biggest puzzles in neutrino physics.
The LHC accelerator confirms an improved model of proton collisions, with implications for our understanding of quantum mechanics. The generalized dipole model describes existing data more accurately and works well in a wider range of energies.
The KATRIN collaboration presents the most precise direct search for sterile neutrinos through measurements of tritium β-decay. No sign of a sterile neutrino was found, excluding a large region of parameter space suggested by earlier anomalies. The result relies on distinct detection methods and complements oscillation experiments.
Researchers discovered that water molecules move in a smooth, rolling motion on hexagonal boron nitride (h-BN), whereas on graphene, they experience increased friction. This finding offers insights into designing surfaces that control friction, wetting, and ice formation.
Researchers from two Max Planck Institutes directly observe the strong reshaping of C60 molecules by laser fields using x-ray camera. At low intensities, the molecule expands before fragmentation sets in, while at high intensities, fast expansion and removal of outer valence electrons occur.