Articles tagged with Theoretical Physics
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Historians and physicists reveal the post-WWII transformation of Einstein's General Relativity into a bonafide physics theory. New insights highlight the extension of the foundation and complementation by pre-relativistic physics and philosophical considerations, ultimately leading to its renaissance.
Researchers at IST Austria and Nvidia introduce a novel representation of waves that improves visual detail and user control while reducing computing cost. The method allows for more versatile and physically plausible simulations with minimal extra work.
Researchers at UT Austin discovered systematic laws for perception in natural scenes, predicting object detection based on background properties. This finding has potential applications in radiology, security imaging, and camouflage design.
Ramin Golestanian, a renowned Iranian physicist, has been awarded the EPJE Pierre-Gilles de Gennes Lecture Prize for his groundbreaking work on microswimmers and their hydrodynamic interactions. This achievement demonstrates his significant contributions to the field of active matter research.
Researchers at Aalto University and University of Oulu review the physics of frequency modulation in various quantum systems. The study highlights its importance in developing more accurate quantum devices and faster quantum gates for near-future small-scale quantum computers.
Researchers at the University of East Anglia discovered a new mechanism for creating paired light particles, which could have significant implications for quantum physics. The findings suggest that photon pairs can be emitted from spatially separated points, introducing positional uncertainty of fundamental quantum origin.
Researchers discovered acetone droplets can hover above water surface, propelled by the Leidenfrost effect, with drag playing a crucial role. The faster the droplet moves, the faster it speeds up before immersion occurs.
Researchers demonstrate that clocks placed next to each other necessarily disturb each other, causing a universal limitation on measuring time. This effect is independent of clock mechanism or material, highlighting the need to re-examine our ideas about time in both quantum mechanics and general relativity.
Scientists at Rice University and Chile have proposed a new approach to nuclear fusion by simulating the use of shaped laser pulses to control atomic reactions. This method could potentially produce energy efficiently from deuterium and tritium, with the goal of creating a more sustainable and clean source of power.
Theoretical physicists at the University of Basel have calculated the signal of specific gravitational wave sources that emerged fractions of a second after the Big Bang. These oscillons, predicted by Einstein, can be used to study the universe's early stages and provide information on major astrophysical events.
Researchers at Rice University have developed a new theory and computational methods to understand how metallic glasses behave under stress, revealing the formation of shear bands that can lead to breaking. The study provides valuable insights into improving the strength and durability of glass materials.
Researchers at University of Plymouth receive funding to build on existing work exploring phenomena within Standard Model and Beyond, with aim to develop new ideas using supercomputers. The grant will fuel efforts to push boundaries in particle physics research and identify possible candidates for universe's remaining mass-energy content.
A new advanced theoretical tool has been developed to design and analyze complex beam lines with strong coupling. This breakthrough enables the creation of high-intensity beams that can be used in fusion reactors and nuclear waste management, as well as study the origin of the universe.
A Polish-British team has developed a compact and efficient converter that modifies individual photons' properties, enabling the construction of complex quantum computers. The device achieves high conversion efficiency and preserves quantum superposition.
Researchers at PPPL and Princeton University proposed a groundbreaking solution to the mystery of fast magnetic reconnection. They developed a detailed theory for the mechanism leading to rapid reconnection, known as plasmoid instability, which breaks up plasma current sheets into small magnetic islands.
A team of physicists developed a theory that generates mass for all known particles, differing from the standard model Higgs scenario. Their work predicts hundreds of new composite particles to be discovered at future colliders.
Researchers have discovered a method to control the movement of microscopic crystals, enabling precise targeting of diseased organs for drug delivery. The crystals, which exhibit superparamagnetic properties, can be directed using a magnetic field, opening new applications for improving lives.
A new study published in New Journal of Physics found that physicists pay less attention to articles with dense mathematical details, indicating real and widespread barriers to scientific communication. The researchers suggest improving clearer presentation of technical work is key to bridging this gap.
Researchers found that the length of repeating polyglutamine sequences contained in proteins is critical to the onset of disease, with aggregation beginning only when chains reach 36 repeats. The study sheds light on how mutations and protein structure influence disease severity.
Sally Dawson received the J.J. Sakurai Prize for her contributions to theoretical particle physics, specifically her work on the Higgs boson's properties and predictions. Her research aims to improve the accuracy of particle production and decay processes at the LHC.
Researchers used Titan supercomputer to compute nickel-78's nuclear structure and found it to be doubly magic, with greater stability than its neighbors. This confirms a theoretical prediction and may improve our understanding of the origin, organization, and interactions of stable matter.
J. Michael Kosterlitz, Professor of Physics at Brown University, has been awarded the Nobel Prize in Physics for his groundbreaking work on topological phase transitions and exotic states of matter. His discoveries have opened up new avenues for materials science and electronics.
Researchers propose large-scale metamaterials as seismic shields to protect areas from earthquake damage. The shields work by inhibiting the propagation of incoming seismic waves through interference effects.
A team of researchers from Germany and France has developed an equation of state for wood, which can predict water uptake in treated wood with a simple analytical model. This breakthrough could lead to the development of more environmentally friendly preservation treatments and bio-inspired smart actuators.
A new study reveals how blood flow dynamics within blood vessels may influence the development or rupture of plaques, potentially leading to early interventions in treating heart disease. The research improves predictions of circumferential wall stress and identifies weak spots on a vessel wall that are likeliest to fail.
Kyoungchul Kong, a physicist at the University of Kansas, offers an alternative explanation for the mysterious signal detected at the Large Hadron Collider, proposing a sequence of particles with different masses. The theory suggests that the signal could be the result of a sequential cascade decay of a heavier particle into photons.
Scientists have discovered a mathematical resemblance between swarm dynamics and gravitational interactions in midge swarms. The team proposes an 'adaptive gravity' model that explains how swarming insects maintain cohesion despite the dominant interaction being long-range.
Researchers discover DXZ4 repeats play a crucial role in superloop formation on the inactive X chromosome. The discovery sheds light on female development and has implications for 3D genome engineering.
Scientists in France create a knuckleball machine to explore the zigzag secrets of one of football's most unpredictable shots, providing clues to much older scientific puzzles. The researchers discovered that unsteady lift forces and a specific velocity window contribute to the ball's erratic trajectory.
Researchers split and collide ultracold atoms to directly observe the Pauli Exclusion Principle, a fundamental constraint on identical particles' behavior. This finding has implications for understanding multiple particle scattering processes.
Researchers found that proteins have quick access to target genes in cells despite crowding, thanks to dynamic movements of molecules. This discovery suggests that proteins can efficiently search and bind to DNA even in busy environments.
A team of physicists has proposed an experiment that could detect entangled photons directly, paving the way for new applications in quantum physics. The experiment involves amplifying entangled photons 100-fold and using a special technique to preserve their quantum physical effect.
Researchers at Rice University suggest that actin filaments play a key role in forming and storing long-term memories by stabilizing soluble cytoplasmic polyadenylation element binding proteins (CPEB) into longer, insoluble prion-like fibers. This process is thought to aggregate and encode memories in neurons' synaptic regions.
Researchers create single-particle engine that can store and generate energy, operating at 0.3% efficiency with a power output of 10^-22 watts. The device has potential applications in quantum thermodynamics and nano engineering.
Researchers Nayana Shah and Carlos Bolech found a discrepancy in the conventional approach to bosonization-debosonization, contradicting past work on quantum computers and electronic devices. Their new consistent formalism offers a general recipe for solving problems involving strong particle interactions.
Researchers have created a statistical model to forecast extreme waves, which are large and spontaneous ocean waves that can be deadly. The model uses joint statistics of multiple points in time or space to capture wave heights and turbulent air flows, greatly reducing complexity and obeying the Fokker-Planck equation.
Physicist Chandra Varma's theory has been experimentally confirmed, favoring one theory and ruling out others for high-temperature superconductivity. The research opens new prospects for studying the mechanism in other systems with strongly correlated electrons.
Researchers used new methods to model the common-envelope phase of binary stars, revealing dynamic instabilities crucial for supernova evolution. These turbulent fluctuations affect a star system's fate, influencing whether a supernova occurs and its type.
A team of scientists has proposed a two-dimensional metamaterial composed of silver elements that refracts light in an unusual way, potentially speeding up computer processing. The material could be used to develop compact optical devices and create an 'invisibility cloak'.
A mathematical problem in particle and quantum physics is provably unsolvable, showing that even a complete microscopic description cannot predict macroscopic behavior. This finding limits the extent to which we can predict the behavior of quantum materials.
Two postdoctoral scholars from UC Santa Barbara's Kavli Institute for Theoretical Physics developed a method called ImSAnE, which constructs an atlas of two-dimensional maps for dynamic tissue surfaces. This allows scientists to analyze layered tissues with relative ease and reduces data size and processing time.
Chalmers researchers have extended the lifetime of artificial atoms by up to ten times by positioning them in front of a mirror. By controlling the distance between the atom and the mirror, they can manipulate the vacuum fluctuations that cause the atom to decay. This breakthrough could lead to more precise control over quantum systems.
A team of physicists has published a new calculation that could significantly advance the indirect search for physics beyond the Standard Model. The calculation applies to rare B meson decays, which are being studied for potential clues about undiscovered subatomic particles.
Researchers have successfully simulated chiral edge states in a quantum system using ultracold ytterbium atoms. The experiment demonstrates the ability to observe chiral currents at the boundaries of two-dimensional materials, similar to those observed in condensed matter physics.
Researchers have found that most ideas are generated through group work and discussions with colleagues, contrary to the traditional image of a single individual having an eureka moment. The study also highlights the importance of mundane activities like taking a bath in sparking creativity.
Researchers have made significant progress in identifying growing localised patterns as early indicators of freak waves. By resolving the nonlinear Schrödinger equation, they can extract pertinent information from localised disturbances' characteristics, shedding light on complex dynamics.
A new theory suggests dark matter behaves similarly to pions, which hold atomic nuclei together. This finding resolves outstanding discrepancies in predicted mass distributions within galaxies and clusters of galaxies.
Physicists at Ludwig-Maximilians-Universität München use game theory to explain how bosons, which like to cluster together, form multiple groups. This understanding has led to insights into superfluidity and technologies like superconductivity.
Geographic tongue (GT) is characterized by evolving red patches on the tongue surface due to loss of papillae. New research reveals GT can spread in circular or spiral patterns, with spiral patterns indicating a more acute condition that lingers for a long time.
The US National Science Foundation has awarded 10 Physics Frontiers Centers, focusing on basic research in quantum computing and fundamental physics. These collaborative environments support multidisciplinary projects and education initiatives.
A team of physicists has calculated the tiny neutron-proton mass difference using a powerful supercomputer, verifying the theory of the strong interaction. The finding confirms that neutrons are slightly more massive than protons, with a 0.14% difference, and opens up new possibilities for simulations of quarks and nuclear particles.
Nexus theory reconciles GR and Quantum Theory, explaining dark matter as the nexus graviton's constant rotational motion. The theory also sheds light on perplexing questions in physics, including a quantum description of Black Holes without singularities.
The Nexus theory provides a self-consistent explanation for Quantum Gravity, reconciling GR with Quantum Theory. It introduces the Nexus graviton, a composite particle that induces constant rotational motion and constitutes space-time.
Physicists at TUM and University of Cologne develop theoretical description of behavior for magnetic vortices in conductors, semiconductors, and insulators. The theory predicts properties for optimal device development, promising compact frequency devices with high efficiency.
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.
Researchers at the University of Southampton have proposed a new fundamental particle that could explain why Dark Matter remains undetected. The particle interacts strongly with normal matter, making it a promising candidate for detection in space 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.
Physicists at Goethe University Frankfurt have used the COLTRIMS reaction microscope to demonstrate that the structure of the helium-3 molecule is a 'cloud' rather than a solid structure. The results resolve a long-standing dispute in theoretical physics and show that all possible configurations are equally probable.
Researchers developed computer models that match experimental results, explaining the dynamic processes behind essential cell components. Microtubule stability is crucial for cell survival, and the study provides new insights into how cells maintain or dismantle these structures.