Articles tagged with Theoretical Physics
Researchers observed 'dissipation' peaks in NbSe2 due to frictional force, related to charge density waves. Their theoretical model reproduces experimental data, shedding light on nanofriction mechanisms underlying energy losses.
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.
A team of biochemists and mathematicians developed a geometric model to predict how biological molecules interact with water, computing results up to 20 times faster. This approach may help identify new targets for treating human diseases.
Scientists demonstrated a breakthrough in quantum cryptography, enabling perfectly secure data transmission between two sites for up to fifteen milliseconds. This achievement marks the first step towards impregnable information networks controlled by Einstein's relativity and quantum theory.
A new mixing strategy using synchronized flows of jets has been developed to optimize mixers in industrial products. The 'cat's eyes flip flow' is a promising solution that increases performance while reducing energy consumption, making the process more environmentally friendly.
Researchers developed a new model to measure changes in air flow patterns affecting wind turbines' output power. The study found that energy can be transferred to wind turbines from both above and below the blades, expanding our understanding of wind turbine performance.
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.
French researchers create sophisticated model to study geophysical vortices, which can impact weather forecasting and environmental monitoring. The study reveals that strong background rotation suppresses radiative instability in vortices.
A new study by Canadian physicists reveals that small impurities in the water are a critical factor in the formation of icicle ripples. The researchers found that icicles grown from pure distilled water exhibited no ripples, but those grown with salt impurities developed characteristic ripples.
Claudio Bunster Weitzman, a renowned Chilean theoretical physicist, has been awarded the prestigious TWAS-Lenovo Science Prize. He is recognized for his groundbreaking work on gravity and magnetic monopoles, shedding light on areas such as black holes and spacetime.
Researchers at National Ignition Facility have made significant progress in creating a self-sustained fusion reaction, but still face challenges to overcome before achieving the highly stable and precisely directed implosion required for ignition.
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.
Scientists have developed an atom-based analogue for electronic devices using ultra-cold bosonic atoms and quantum dots. The transport of single particles through the chain of quantum dots enables current production in systems with reduced dimensionality.
The researchers discovered that the interface between two non-magnetic materials exhibits magnetism due to the formation of local moments. This phenomenon could lead to the creation of electronic devices that combine computation and data storage capabilities.
Researchers have developed a 'dark channel mechanism' to explain binding processes in biochemical materials, allowing for deeper understanding of molecular interactions. The discovery, combined with ab initio calculations and high-resolution spectroscopy, provides new information on the chemistry of life.
Physicists have built a theoretical construct of twisted atom beams, which can have potential applications in quantum communication and atomic processes. These beams were created by solving the non-relativistic Schrödinger equation for atoms driven by a laser field.
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 used dysprosium to measure electron velocity and found the maximum speed of an electron is consistent with the speed of light. The experiment pushes the limits of Einstein's theory, potentially revealing new insights into particle physics.
Cancer originates from a default genetic 'safe mode', where cells revert to an ancient programming, leading to uncontrolled proliferation. The theory suggests that cancer-causing genes are reactivated in adulthood due to triggers like chemicals or radiation, adding weight to the radical new idea.
Researchers develop method to classify quantum entanglement states into geometric objects called polytopes, allowing for efficient prediction and characterization of entangled states. This breakthrough enables the development of novel quantum technologies with practical applications.
Researchers at Georgia Tech create toroidal shapes to investigate liquid crystal materials' behavior and properties. The unique geometry allows for precise control over the shape's size and curvature, enabling experiments that were previously impossible.
Kimball Milton, a University of Oklahoma physics professor, has been awarded a grant from the Simons Foundation Fellows Program in Theoretical Physics. He will explore the physics and applications of the quantum vacuum, including the Casimir effect and its potential for practical uses in nanoscale machines.
Researchers from York, Paris and Missouri developed a new understanding of collective spin excitations in semiconductors, reducing decoherence and improving device functionalities. The discovery could lead to the development of new spintronic devices and quantum information technologies.
Scientists aim to develop first global quantum communication network by testing the limits of quantum entanglement using the International Space Station. The proposed experiment uses Bell's theorem and quantum key distribution to enable secure communication over long distances.
Scientists have created a metascreen cloak that can hide objects from microwaves, providing optimal functionality at specific frequencies and bandwidths. The researchers predict the technique's conformability and robustness will enable cloaking of oddly shaped objects.
Researchers have successfully replicated Feynman's famous double-slit thought-experiment using a gold-coated silicon membrane and a moveable mask. This achievement demonstrates the mysterious properties of electrons, including their ability to produce an interference pattern when fired at the wall one at a time.
Researchers have found that entanglement across a black hole's event horizon plays a crucial role in determining the existence of a 'firewall' paradox. The study confirms and generalizes previous claims about entanglement in black holes, supporting Einstein's theory of gravity.
Researchers from the University of Cambridge and collaborators have developed a new protocol that 'recycles' entanglement to increase the efficiency of quantum connections. The breakthrough enables the teleportation of multiple qubits simultaneously, paving the way for advances in quantum computing.
Researchers found that adding noise to a micro-textured surface can lower the energy barrier for an object to roll, mimicking gecko feet's adhesive properties. This study could lead to applications in gecko-inspired adhesives, tire adhesion, and digital operations.
Researchers have made significant progress in studying quantum entanglement, a phenomenon where electron spins are connected. By calculating the extreme version of entanglement, they found a way to predict this characteristic and expect it to benefit fields like information technology.
Researchers successfully grew helium crystals under zero gravity, overcoming laboratory limitations to examine the dynamics of these peculiar materials. The crystals formed rapidly, exhibiting an unprecedented Ostwald ripening process that can help reveal the underlying physics of crystal development.
Six Berkeley Lab scientists, from various divisions, were elected APS Fellows in 2012 for their outstanding research and contributions to the physics enterprise. These individuals represent a high count for a single institution, with only half of one percent of APS members being elected as Fellows annually.
Researchers at the University of Innsbruck propose a novel method for powering lasers through heat, which could provide internal cooling and revolutionize microchip technology. The concept involves using temperature gradients to separate cold and warm areas in the laser, allowing for efficient energy transfer.
Researchers have provided a mathematical formula to describe the processes that dictate how cauliflower-like patterns form and develop. The formula was derived from thin films grown using chemical vapour deposition, which successfully predicted the final cauliflower-like patterns by comparing them to actual plants.
Rice University researchers create new process to manufacture stronger glass through chemical vapor deposition, enabling materials with twice the strength of current glass.
Researchers found that the spread of scores across different sports, such as volleyball and snooker, follows a similar distribution. They also discovered that this phenomenon applies to other everyday phenomena, including human wealth and population distribution, governed by power laws and the Pareto principle.
Researchers have successfully produced and implemented single particles of light into a quantum key distribution link, enabling secure communication networks. The experiment uses semiconductor nanostructures to emit single photons with high efficiency, making it possible to transmit keys over longer distances without interception.
A new theoretical model shows that the length of microtubules is regulated by the attachment of motor proteins, which grow towards the plus-end and shorten the filament. This interplay between growth and shrinkage maintains a precisely regulated microtubule length essential for various intracellular tasks.
Scientists visualize the trapping and confinement of light on graphene, making it a promising candidate for optical information processing. Graphene plasmons can be used to electrically control light, enabling new optical switches and applications in medicine, bio-detection, solar cells, and quantum information processing.
A group of Japanese scientists developed a model that predicts the success of movies at the box office by analyzing daily advertisement costs and word-of-mouth communication. The model was tested with 25 movies and showed promising results in predicting actual revenue.
The Kavli Institute for Theoretical Physics at UC Santa Barbara has received two new grants to advance its interdisciplinary biology initiatives. The grants, totaling $2 million, will support workshops, postdoctoral fellowships, and a new summer program aimed at the interface of physics and biology.
Theoretical physicists at UMass Amherst have developed a new technique called Diagrammatic Monte Carlo to simulate strongly interacting quantum systems. This breakthrough enables accurate predictions of their properties, opening doors to practical superconductor applications and solving complex 'many-body' problems in high-energy physi...
A team of Italian and Swedish researchers has successfully transmitted two twisted radio waves across the waters of Venice, demonstrating a solution to the problem of radio frequency congestion. By twisting radio waves into fusilli pasta shapes, they were able to transmit multiple channels of information on the same frequency band.
A University of Oklahoma graduate student has been awarded a national physics award for his groundbreaking research on dark matter. His thesis explores the mixture of two particles, axion and lightest supersymmetric (LSP) theory, providing a more intricate picture of dark matter.
A new theory developed by John J. Toner extends the concept of flocking to include the effects of birth and death, revealing persistent fluctuations in density. This understanding has potential applications in designing targeted cancer therapies that selectively kill diseased cells while leaving healthy ones intact.
Researchers in the US have successfully cloaked a three-dimensional object standing in free space using a method known as plasmonic cloaking. The technique uses ordinary materials to bend light around objects, cancelling out scattering and rendering them invisible at all angles of observation.
Researchers devise a new Bell test to reveal correlations between high-energy particles, shedding light on 'spooky action at distance.' The study's findings have significant implications for understanding particle physics and the link between symmetries and particle correlations.
Researchers from the University of Vienna have proven that the entanglement or separability of a quantum state depends on the perspective used to assess its status. By using mathematical density matrices, they showed how different factorisations can lead to entanglement or separability in complex physical systems.
Christian Bauer and Feng Wang are among 13 DOE PECASE winners, recognized for pioneering research on ultrafast optical characterization of carbon nanostructures. They were awarded the prestigious award for their contributions to advancing sustainable energy, protecting human health, and revealing the origin and fate of the universe.
Scientists have created an 'antimagnet', which can protect pacemakers and other medical devices from strong MRI signals. The device uses superconducting materials and metamaterials to control magnetic fields, making it undetectable.
A young researcher has successfully designed an optical device that can slow down light, enabling the creation of a practical invisibility cloak. This breakthrough could allow for the development of camouflage technology in various colors and scenarios.
Researchers used a statistical model to estimate that 50,000 people carried the Korean family name Kim in 500 AD. This suggests stability in Korean culture over the past 1500 years, despite population growth and social changes.
Researchers develop a new LEAP (Low-Energy Anti-fibrillation Pacing) method to terminate life-threatening cardiac fibrillation, reducing energy required by more than 80%. The technique uses weak electrical signals to synchronize the heart's tissue, gradually suppressing chaotic activity.
Researchers have developed a computation to predict gene migration patterns and their impact on disease spread. The study applies mathematical tools to represent migration patterns, providing insights into the spread of beneficial genes through populations.
Two renowned physicists and a chemist will collaborate on cancer research at Rice's BioScience Research Collaborative. They plan to apply physical principles to understand complex biological systems and develop new approaches to treat cancer.
Researchers have measured the electron's shape for the first time, finding it to be almost perfectly spherical. This breakthrough could help explain the universe's lack of antimatter and refine fundamental theories of physics.
A study published in New Journal of Physics analyzed the pattern of populations speaking Castilian and Galician languages in Spain. The researchers found that levels of bilingualism can lead to the steady co-existence of two languages in a stable population.
A new connection can significantly enhance the size of a network, according to researchers from Max Planck Institute. By tracing link by link, scientists found that after a certain number of new links, a sudden growth spurt occurs, leading to a dramatic increase in network size.
A UBC team designs an experiment featuring a flowing water trough to test Stephen Hawking's 35-year-old theory on black holes. The study creates a 'white hole' simulation, generating thermal radiation analogous to photon pairs in Hawking's theory.