A team of physicists has successfully cooled highly-charged ions to sub-Kelvin temperatures, forming a Coulomb crystal that opens up new fields in laser spectroscopy. This breakthrough enables precision tests of quantum electrodynamics, measurement of nuclear properties, and laboratory astrophysics.
Researchers at PPPL used 3D printers to create customized parts for experiments, including cones, cylinders, and electrodes. The printed parts proved accurate and reliable, meeting laboratory requirements.
Researchers developed a new model describing atomic nuclei that better predict exotic isotope properties. This improvement enables simulations of supernova explosions and nuclear reactor processes.
Uwe Thumm, a theoretical physicist at Kansas State University, has been awarded the prestigious Humboldt Research Award for his lifetime contributions to atomic, molecular and optical physics. The award recognizes his fundamental discoveries and new theories that significantly influenced his field.
Physicists use entangled ions to test the isotropy of space, disproving anisotropy theories. The experiment shows space is isotropic to one part in a billion billion, improving upon previous experiments.
A team of physicists has found that protons and neutrons in large atomic nuclei do not behave as predicted by existing models. The researchers used experimental data from various elements to fit parameters into the current model, showing that quantum effects and nuclear vibrations have a lower impact on individual particles than thought.
A new study by Professor Ulf-G Meißner finds that fundamental physics constants are fine-tuned to allow for the emergence of a life-enabling universe. The researcher used high-performance computers to simulate worlds with altered light quark masses and found that variations up to 2-3% do not prevent the formation of carbon and oxygen.
Professor Joachim Kopp at Johannes Gutenberg University Mainz has received a €800,000 ERC Starting Grant to pursue new approaches in theoretical neutrino physics. He aims to investigate the existence of sterile neutrinos and their potential connection to dark matter.
A team of researchers led by Kent State professor Michael Strickland has developed an exact solution to a complex physics equation, enabling more accurate modeling of the universe's earliest moments and high-energy particle collisions. The breakthrough has far-reaching implications for fields like galactic structure, supernovae, and he...
Researchers revised a mathematical description of particle interactions, considering two forces unified under extreme conditions like the Large Hadron Collider. They simplified one description of elementary particles' behavior, predicting specific events that future experiments should observe.
Researchers have created high-value, compact nanoscale resistors using thin-film chromium oxide, enabling faster development of quantum devices for computing and fundamental physics research. The new resistors can be tuned by controlling oxygen content, making them compatible with quantum phase-slip circuit requirements.
Scientists successfully predicted the thermal expansion of metastable liquid metals by analyzing atomic structures with just one thousand atoms. This breakthrough reveals a connection between microscopic information and macroscopic material properties.
Researchers demonstrate that β relaxations are intrinsic to supercooled liquids and glasses, connecting them to outstanding issues in glassy physics and material sciences. The study suggests that metallic glasses could be used to design glassy materials with specific properties, such as ductility.
Researchers cool membrane vibrations to less than 1 degree above absolute zero, opening up possibilities for novel studies of quantum physics and precision measurement devices. The technique harnesses the unique features of ultracold atomic gases, enabling fundamental quantum physics experiments with macroscopic mechanical systems.
The researchers suggest that dark matter may be composed of macroscopic objects, potentially assembled from ordinary and strange quarks or baryons. This idea challenges the current search for tiny exotic particles like WIMPS and axions.
Despite the grueling challenge, physicists can overcome the 'valley of death' by recruiting expertise and committing to projects. Boston-based company MC10's success highlights the rewards of perseverance.
A model describes how a person's size determines their carrying capacity, not just body weight. The study reveals that smaller individuals can comfortably carry more pack weight than expected.
Junior Professor Román Orús of Johannes Gutenberg University Mainz has been awarded the 2014 EPS Early Career Prize for his work on tensor network techniques and quantum entanglement. The prize recognizes his significant contributions to European research in physics.
Britton Plourde's new cryogen-free adiabatic demagnetization refrigerator allows for rapid development of devices for quantum information science. The system enables the study of superposition and quantum states at extremely low temperatures.
Researchers from Moscow Institute of Physics and Technology published experimental data on jet fuel combustion, defining induction periods for various temperatures, pressures, and blending ratios. The study focuses on kerosene, a complex mixture of hydrocarbons, and aims to validate kinetic models for its burning.
The Center for Theoretical Biological Physics at Rice University has received a five-year, $11.75 million grant from the NSF to support its work on applying physical science to new aspects of the natural world. Researchers will develop concepts, models and methods that quantitatively describe processes in living systems.
Researchers at Kansas State University have developed a robust model to predict chemical reactions involving three atoms at ultracold temperatures, shedding light on mysterious quantum states and the Efimov effect. The findings provide a largely accurate idea of how atoms bind to form molecules.
Dallas high school students Dominik Fritz and Jason Barton discovered five new variable stars as part of the SMU QuarkNet program, analyzing data from a telescope in New Mexico. The discoveries have been accepted into the VSX catalog and will be forever linked with their students' names.
A team of scientists from Virginia Tech has proposed using neutrino detectors to monitor plutonium production in Iran's Arak reactor. The technology can detect antineutrinos produced by fission of uranium-235 and plutonium-239, providing high-level monitoring not currently offered by any other technique.
Researchers used big data visualization to study the migration patterns of over 150,000 individuals across two millennia, revealing a pattern of geographical birth sources and death attractors. The study also found that cultural centers and economic centers do not always coincide, and that population size does not necessarily determine...
A new study by PhysTEC has identified two crucial factors for sustaining university and college programs designed to increase the number of highly qualified physics teachers. Faculty members who champion physics teacher education, combined with institutional motivation and commitment, can ensure program viability.
Researchers at China's PandaX facility aim to detect direct evidence of dark matter interactions with xenon nuclei and observe double-beta decay. The new detector is designed to distinguish between nuclear recoils and electron recoils, with promising results from previous experiments like XENON100.
The BICEP2 collaboration has published nuanced findings on microwave sky patterns, suggesting possible primordial gravitational waves. However, they acknowledge the presence of galactic dust as a potential explanation for the signals.
Scientists from Brown University used a specific type of virus to study the interaction between polymer strands like DNA and tiny holes, known as nanopores. The findings may lead to breakthroughs in DNA sequencing and pathogen detection.
Researchers at Kansas State University are developing a way to enhance high-order harmonics to create powerful small tabletop light sources. They propose synthesizing two- or three-color laser fields to optimize harmonic intensity, potentially leading to new applications in science and technology.
Researchers used high-powered lasers to create table-top supernovae, recreating the explosive events that occur when stars reignite or collapse. The experiments revealed irregular 'knotty' features and intense radio and X-ray emissions, confirming a theory about the interaction between magnetic fields and interstellar material.
Brazilian physicists are taking advantage of increased funding to lead global research projects, including the Pierre Auger Observatory. However, they still face issues with science education and recognition, hindering their progress as a leading international community.
Smaller laser-plasma accelerators could accelerate particles to high energies, potentially reducing the cost of high-energy physics research and industrial applications. The new technology uses a combination of lasers to create an incoherent wakefield, which would allow for more sustainable and affordable accelerators.
Researchers at Imperial College London have discovered a way to physically prove a 1934 theory that turned light into matter by smashing two particles of light together. The 'photon-photon collider' experiment uses existing technology to recreate a process important in the universe's first 100 seconds.
The UT Arlington particle physics team has been awarded a $2.5 million, three-year Department of Energy grant to continue their work on the ATLAS experiment at the Large Hadron Collider. The grant represents a 25% increase in funding and recognizes the team's innovative ideas and research.
Recent HADES experiments have ruled out the U boson as a potential Dark Matter candidate, but the search continues. The negative results challenge the Standard Model of particle physics and leave room for further investigation into physics beyond the current understanding.
Researchers provide first rigorous formulation supporting Heisenberg's uncertainty principle, enabling precise characterization of information accessible in quantum experiments. The work highlights the fundamental limits of measurements in quantum physics and may corroborate the security of quantum cryptographic protocols.
Successful physics startups often differ from internet startups in terms of risk-taking and market strategies. Funding is a major challenge for entrepreneurs, with venture capitalists becoming more risk-averse.
Connor Richards, a second-year undergraduate student at UC Riverside, has won the Barry M. Goldwater Scholarship for his research in high-energy physics. He is participating in research at the Large Hadron Collider to detect evidence of supersymmetry and understand dark matter.
Researchers from University of Waterloo and Harvard discover pseudogap phase's quantum states, which could unlock room-temperature superconductors. The findings address a crucial unsolved problem in theoretical condensed matter physics.
Researchers at the University of Warsaw have discovered a material called molybdenum disulfide with properties similar to those of graphene. This material has an energy gap, allowing it to be switched on and off, which could lead to significant energy savings in electronic devices.
Researchers at MIT predict the existence of six new types of topological insulators with unusual properties, which may provide insights into quantum physics. The team's analysis reveals that these materials' physical properties can be identified unambiguously in a lab.
UW physicists debunk the 'heavy soliton' mystery by revealing it's actually a quantum equivalent of smoke rings, shedding light on nuclear dynamics and neutron star behavior. The research uses state-of-the-art computing techniques to demonstrate that virtually all aspects of the phenomenon can be explained by vortex rings.
Scientists from McGill University and Sandia National Laboratories have successfully tested the 'Luttinger liquid' model, a mathematical prediction for one-dimensional quantum physics. The experiment measures the effect of electrical current on nearby wires, showing increased friction at low temperatures.
Computer scientist Yi-Kai Liu has devised a method to create secure, one-shot memory units using quantum physics. The conjugate coding approach stores data in qubits, exploiting the lack of entanglement in certain physical systems to ensure security.
Researchers at University College London found that certain molecular vibrations in plant cells exhibit non-classical behavior, enhancing the efficiency of energy transfer during photosynthesis. This discovery challenges classical physics explanations and has implications for understanding other biological processes.
Researchers have successfully demonstrated how complex theoretical physics can be transformed into a physical object using a 3D printer. They created an 8 cm3 object based on a mathematical model describing forest fires, which could be used to produce works of art or transform scientific discussions.
This special issue of Science China-Physics, Mechanics & Astronomy features a wide range of research articles covering surface symmetry, qubits, graphene, and more. The articles highlight the Institute of Physics CAS's achievements over the past five years.
Researchers create novel concept using metamaterial to study quantum entanglement and complex relationships between photons. The system enables precise measurements without losing photons, providing a deeper understanding of the transition zone between classical and quantum physics.
Andreas Ludwig, a leading theoretical solid-state physicist, is awarded the prize by the Alexander von Humboldt Foundation. He will conduct future-oriented research at the University of Cologne's Institute for Theoretical Physics, enhancing Germany's physics profile.
A team of astronomers from UC Riverside and three other universities will conduct a large survey of galaxies using the MOSFIRE instrument. The survey will study how galaxies evolved over time, including their conversion of gas into stars and the formation of heavier elements.
Professor Julia Yeomans has been awarded the EPJE Pierre-Gilles de Gennes Lecture Prize for her outstanding work in soft matter and biological physics, particularly in the study of complex and active liquids. She is also an expert in theoretical and computational physics.
Researchers have developed a new method to clean theories and models of particle physics from uncertainties, making it easier to assess their validity. The approach could lead to the discovery of new physics, which may explain long-standing problems such as dark matter and gravity.
Researchers at Helmholtz Association's HZB have identified a new area of application for X-rays in solid state physics, leveraging nonlinear physical effects. They observed the interaction between soft X-rays and solids, enabling enhanced color analysis and structural properties correlation.
Researchers have created a method to control quantum bits using resonances in artificial atoms, enabling exponential parallel computation and solving complex tasks. The technique combines classical solid-state physics with atomic physics techniques, allowing for controlled electron spin orientation without measurement.
Researchers have developed large area picosecond photodetectors that can measure particle speed with sub-picosecond resolution and spatial precision measured in micrometers. The detectors use Atomic Layer Deposition technique and have potential applications in high-energy physics, medical imaging, and homeland security.
Researchers at Universitat Autonoma de Barcelona and Centre National de la Recherche Scientifique detect deviations in B meson decay consistent with New Physics predictions. The findings suggest the existence of a new particle, Zprima, which could explain dark matter and gravitational interactions.
Ngô Bao Châu and Dam Thanh Son have been selected as 2013 Simons Investigators for their groundbreaking work in mathematics and physics. They will receive $500,000 in support over five years to study fundamental questions.
Researchers use holographic duality to translate physics of black holes to superfluid turbulence, discovering turbulent flows behave like 3-D fluids. This breakthrough helps explain complex behavior of superfluids and provides new insights into the dynamics of these materials.
Researchers from UNIGE have successfully entangled two optic fibers populated by 500 photons, surviving on a macroscopic level. The phenomenon demonstrates that larger elements can retain their quantum properties, despite interactions with the surrounding environment.