Articles tagged with Theoretical Physics
Researchers have designed an optical device that functions as an optical black hole or white hole, behaving like a cosmic object that either swallows or repels light. This device relies on coherent perfect absorption of light waves and offers new possibilities for manipulating light-matter interactions.
The team fabricated a probabilistic bit device based on manganite nanowires, achieving full control of its probabilistic characteristics with nanoampere-level currents. This p-bit exhibited exceptional computational potential in Bayesian inference tasks, outperforming existing similar probabilistic bits.
Researchers suggest looking for tell-tale patterns of energy instead of particular molecules or compounds associated with life. They argue that any living organism is extremely unlikely to be on its own and will always be part of an ecological community.
Researchers have directly observed a superradiant phase transition (SRPT) in a magnetic crystal, overcoming a long-standing limitation in theoretical physics. The phenomenon occurs when two groups of quantum particles fluctuate collectively without external triggers, forming a new state of matter with unique properties.
Researchers at Pohang University of Science & Technology and Jeonbuk National University successfully trapped mechanical waves within a single resonator, overcoming a century-old physics barrier. The discovery opens new possibilities for energy harvesting, ultra-sensitive sensors, and advanced communications.
Researchers Mohamed Gad-el-Hak and James J. Riley from VCU and the University of Washington found that Van Gogh's painting does not adhere to Kolmogorov's theory of turbulent flow. Instead, they argue that the swirling patterns in 'The Starry Night' are a result of its abstract nature.
Researchers explore fluid dynamics of stentors' cooperative feeding behavior, discovering that grouping together generates more powerful flows to sweep in food from a greater distance. This finding could provide insight into how single-cell organisms evolved into complex organisms like humans.
Researchers have identified a copper-free superconducting oxide that exhibits high-temperature superconductivity above 30K, expanding the understanding of unconventional superconductivity. The new material has significant implications for modern electronics and energy-efficient technologies.
Scientists studied rolling physics of real-world objects, including spheres and cylinders on inclines, finding periodic motion with predictable patterns. The research demonstrates topological theorems and illustrates abstract mathematics through simple experiments.
A new physics basis for a practical fusion pilot power plant has been developed by Type One Energy, setting the stage for commercial fusion power plants. The design builds on stellarator fusion technology, which has shown success in research settings, and addresses scaling up to a pilot plant.
Researchers developed a new liquid-crystal-based platform to handle hundreds of optical modes in compact two-dimensional setups, overcoming optical losses. This breakthrough enables the scalability of quantum simulations and all-optical AI systems.
A team of researchers used computer code M3D-C1 to model different valve configurations and found that six gas valves provide optimal protection for rapidly dispersing cooling gas. The study's findings will help bring fusion power closer to reality by advancing disruption mitigation strategies.
Researchers uncover the origin of mixed-order transitions, where a macroscopic change is triggered by microscopic cascades. The study reveals long-term fluctuations can lead to sudden transformations in systems like water freezing or societal conflicts.
Scientists from South Africa and China successfully established the world's longest intercontinental ultra-secure quantum satellite link spanning 12,900 km. This achievement demonstrates South Africa's potential to develop a thriving quantum ecosystem.
Researchers have discovered that rhombohedral graphene can exhibit novel magnetism and superconductivity, as well as the quantum anomalous Hall effect, depending on applied gate electric fields. This unique property allows for continuous tuning of band gaps and electron densities without altering the material composition.
A study published in Physical Review Research reveals the intricate physical mechanisms involved in handclapping, including air flow, sound production, and resonance. The researchers found that the size and shape of the hand cavity affect the frequency of the clap, with cupped hands producing lower frequencies.
Researchers propose a revolutionary link between time and dark energy, suggesting that the mysterious force driving the universe's expansion may be used to measure time. The study could pave the way for groundbreaking new fundamental theories and breakthroughs in our understanding of the universe.
Researchers from Würzburg have demonstrated quantum tornadoes in momentum space using ARPES. This discovery could pave the way for new quantum technologies, such as orbitronics, which rely on electrons' orbital torque to transmit information.
The Global Physics Summit will feature nearly 1,200 sessions and 14,000 presentations on various topics, including astrophysics, climate science, medicine, and quantum information. Registered journalists and public information officers will receive daily emails with meeting information.
A groundbreaking new framework unifies gravity from quantum relative entropy, bridging the gap between quantum mechanics and Einstein's general relativity. The theory predicts a small, positive cosmological constant aligning with experimental observations.
Researchers have set new limits on the lifetime of dark matter particles using a combination of models and state-of-the-art observations. The findings highlight the utility of their technology, setting an upper bound of ten to a hundred million times the age of the universe for the frequency of dark matter decay events.
The study proposes a new framework for understanding complex higher-order networks, which could lead to breakthroughs in physics, neuroscience, computer science, and more. The framework integrates discrete topology and non-linear dynamics, offering insights into how topology shapes dynamics and evolves dynamically.
Researchers develop a predictive model of knitting using mathematical techniques from general relativity, allowing for the creation of self-folding and shape-morphing textiles. This breakthrough enables fabrics with precise properties and opens doors to new design applications in soft robotics and medical materials.
A new study from Rice University researchers introduces a theoretical framework that quantitatively predicts menopause timing by analyzing how ovarian follicles transition through different stages. The model explains why menopause occurs and sheds light on individual variability and cross-population differences, providing insights that...
Researchers at Tampere University and Kastler-Brossel Laboratory have demonstrated self-imaging of light in cylindrical systems, facilitating unprecedented control of light's structure. They also explore a new type of space-time duality, bridging different fields of optics.
A new study has challenged the long-held belief that atomic nuclei are perfectly spherical, revealing that lead-208 is slightly elongated and resembles a rugby ball. The discovery was made using high-precision experimental equipment and has far-reaching implications for nuclear physics and astrophysics.
Researchers are using machine learning to enable autonomous control of particle accelerators, opening up new possibilities for commissioning and operating high-power accelerators. The technology has been successfully applied to the CAFe2 superconducting segment, achieving global trajectory adaptive control.
The motion of particles in high-energy nuclear collisions follows a Lévy-stable distribution, confirming the interdisciplinary nature of the phenomenon. This finding has implications for fields such as biology, earth sciences, and economics.
A new optical technology developed at UC Riverside enables gravitational-wave detectors to reach extreme laser powers, overcoming limitations that hinder the detection of cosmic phenomena. This breakthrough is expected to significantly expand our view of the universe, particularly in the earliest stages of its history.
Discounted hotel rates available at select hotels near the Anaheim Convention Center. The Global Physics Summit will feature nearly 14,000 individual presentations on new research in various fields.
Researchers demonstrate that quantum processes can be designed to comply with the second law, highlighting a harmonious coexistence between quantum mechanics and thermodynamics. Their findings open up new avenues for understanding thermodynamic boundaries of quantum technologies.
A team of physicists has successfully described the inside of a proton using quantum information tools, revealing maximal entanglement and predicting particle production. The new formalism correctly reproduces all available experimental data, providing insights into the complex interactions within protons.
A team of researchers from Mainz University successfully simulated skyrmion dynamics on real-time experimental scales using a novel collaborative approach. By combining theoretical and experimental methods, the researchers were able to accelerate the development of skyrmion-based applications for energy-saving computer architectures.
Combining data from two major surveys of the universe's evolutionary history reveals a small discrepancy between expected clumpiness and observed matter distribution. This deviation could suggest unaccounted-for physics influencing cosmic structure formation, such as dark energy.
Research at TU Wien shows that quantum systems exhibit increasing entropy over time, even in isolated systems. This reconciles quantum theory with thermodynamics by defining a 'Shannon entropy' that depends on measurement probabilities.
A new technique allows for precise tracking of tiny particles known as dark excitons in time and space. This breakthrough has the potential to improve the quality and efficiency of solar cells and other devices.
A team of researchers at Tokyo University of Agriculture and Technology has developed a scaling model for transitional pressure development during acceleration. The study combines the incompressible and compressible flow theories to create a unified model that can be applied universally to various floors and liquid types.
Researchers at Johannes Gutenberg University Mainz discovered altermagnetism, a new concept in physics that combines the characteristics of ferromagnets and antiferromagnets. The discovery has the potential to increase data storage capacity by utilizing the magnetic moment of electrons for dynamic random-access memory.
Goethe University has established a new professorship in experimental physics, solid-state physicist Olena Fedchenko has been appointed to the position. The professorship was made possible by Gisela Eckhardt's €11.5 million bequest.
Quantum particles can behave like foxes and rabbits, with one attracting the other but also repelling it, leading to constant motion and formation of time crystals. This effect can be realized in open quantum systems using coupled atoms driven by laser light.
Marie Bo&r's $875,000 grant will fund her project to learn more about partons from an experimental and phenomenological point of view. Her goal is to understand the static and dynamic properties of quarks when confined in a nucleon, with potential implications for the study of radioactivity.
Researchers from NTU Singapore have developed a new crystal structure that shows naturally existing particles can behave like axions, promising to detect dark matter. The findings could lay the groundwork for understanding cosmic phenomena and uncovering the universe's greatest mysteries.
The American Physical Society's joint March Meeting and April Meeting will convene more than 14,000 physicists from around the world to present new research in various fields. The conference will be held in person in Anaheim, California and online everywhere March 16-21.
Researchers suggest that gravitational collapse in the early universe could give rise to incredibly dense point-like objects, namely visible or naked singularities. This ultra-strong gravity condition provides a unique opportunity to probe new fundamental aspects of physics, including quantum gravity. The possibility of PNaSs accountin...
Researchers unveil groundbreaking insights into earthquake nucleation, showing that slow, aseismic motion is necessary and triggers seismic rupture. The study's findings also emphasize the critical role of geometric transitions in controlling nucleation dynamics.
Researchers have developed a new quantum sensing technology that can detect individual nuclei, revealing tiny differences in molecular structure and dynamics. This unprecedented sensitivity enables scientists to study the building blocks of nature at an entirely new scale, leading to breakthroughs in fields like drug development.
Researchers found a core-collapsing self-interacting dark matter subhalo is responsible for the peculiar spur and gap features observed in the GD-1 stellar stream. This discovery provides insights into the nature of dark matter itself and offers a new explanation for the observed perturbations.
Robert McKeown, a distinguished service award recipient, has made significant contributions to nuclear physics over the past 50 years. He supervised 14 Ph.D. students and educated thousands of people worldwide through teaching and lecturing at prestigious institutions.
Researchers have found a quantized planar Hall plateau in magnetic Weyl semimetals, which is determined by the Chern number and energy tilt of the Weyl points. This discovery provides new insights into the relationship between the Hall effect and global topological quantities.
Brazilian researchers claim that in relativistic space-time, time is the fundamental constant that measures all physical quantities, eliminating the need for separate length and mass standards. High-precision clocks are sufficient to describe all quantities, even in Galilean space-time.
A team of researchers has found evidence of quantum spin liquids in pyrochlore cerium stannate, governed by complex quantum rules. The study reveals emergent properties resembling fundamental aspects of our universe, including light and matter interactions.
Neutrino research may hold the key to understanding the universe's origins and the imbalance between matter and antimatter. Scientists are exploring experimental anomalies and searching for a new 'sterile' neutrino flavor, which could provide answers to these deep questions.
Researchers used a superconducting quantum processor to study quantum transport in unprecedented detail. The experiments explored how a spin/particle current flows between two groups of qubits, revealing a unified picture of thermalisation dynamics and nonequilibrium steady dynamics.
Researchers achieved control over competing reaction outcomes by selectively manipulating charge states and specific resonances through targeted energy injection. This breakthrough has profound implications for pharmaceutical research, potentially improving efficiency and sustainability.
Researchers propose that small black holes born in the early universe could have left behind hollow planetoids and microscopic tunnels, potentially detectable with telescopes or by monitoring old materials. The study suggests a low probability of primordial black hole passage but emphasizes the potential for discovery.
Researchers have developed a mathematical model that provides strong evidence for the cosmic censorship conjecture in three dimensions, suggesting singularities inside black holes will always be hidden. The model has implications for quantum gravity and advances efforts to understand thermodynamic properties of black holes.
Researchers demonstrate transverse thermoelectric conversion in WSi2 for the first time, using mixed-dimensional Fermi surfaces to enable TTE effect. The study paves the way for developing new sensors and efficient thermoelectric materials.
Recent Nobel Prizes in physics and chemistry have recognized the convergence of AI with physics and chemistry, emphasizing the need for interdisciplinary research. Researchers advocate for nurturing AI-enabled polymaths to bridge the gap between theoretical advancements and practical applications.
A team of researchers successfully demonstrated nonlinear Compton scattering using a multi-petawatt laser, producing ultra-bright gamma rays. The achievement offers new insights into high-energy electron-photon interactions without traditional particle accelerators.
The São Paulo Advanced School on Disordered Systems will bring together students and researchers in complexity, bio-inspired applications, information science, and quantum materials. The school, supported by FAPESP, aims to establish a common forum for learning and discussing theories of general interest.