Articles tagged with Condensed Matter Physics
Physicists at Paul Scherrer Institute have found a way to tune the temperature of an unusual type of superconductor. By applying pressure, they were able to change the characteristics of the superconductivity from a 'nodal' structure to a 'nodeless' one, opening up possibilities for engineering quantum materials.
A Polish-German-Italian team developed a new simulation tool called XSPIN to simulate X-ray-induced demagnetisation in multilayer materials. The tool allows for control over laser pulse parameters, such as energy and duration, to achieve specified spatial and temporal scales.
Researchers at Johannes Gutenberg University Mainz developed a prototype that combines Brownian and reservoir computing to perform Boolean logic operations. This innovation uses metallic thin films exhibiting magnetic skyrmions to achieve energy savings through automatic system reset.
The book delves into the concept of emergence in two domains: condensed matter physics and quantum gravity. It reveals surprising connections between seemingly disparate areas of physics, shedding light on how mysterious materials work and the origins of space and time.
Researchers have developed a new model that combines nuclear physics and string theory to describe the transition to dense and hot quark matter in neutron star collisions. The model allows for the calculation of gravitational-wave signals, showing that both hot and cold quark matter can be produced.
Researchers have controlled a one-dimensional electron fluid to an unprecedented degree, discovering new properties of Tomonaga-Luttinger liquids in two-dimensional materials. The team's findings could pave the way for more robust quantum computers with enhanced fault-tolerance.
Researchers review emerging field of 2D ferroelectric materials with layered van-der-Waals crystal structures, offering new properties and functionalities not found in conventional materials. These materials show easily stackable nature, making them attractive as building blocks for post-Moore's law electronics.
Researchers discovered a novel metallic crystal, Kagome metal, with unusual electronic behavior on its surface. The material's unique atomic structure allows for the manipulation of electrons' spin chirality, which can be controlled by applying a local voltage.
Australian researchers have engineered a quantum box for polaritons in a two-dimensional material, achieving large polariton densities and a partially 'coherent' quantum state. The novel technique allows researchers to access striking collective quantum phenomena and enable ultra-energy-efficient technologies.
Kennesaw State University's Department of Physics has received two independent NSF LEAPS-MPS grants to explore magnetic, electronic, and out-of-equilibrium properties of matter. The research aims to drive innovation in semiconductors and quantum computing, with potential applications in energy-efficient information storage.
A team of researchers from Ritsumeikan University in Japan has elucidated the mechanism behind the liquid-solid phase transition of FUS protein that leads to ALS. They discovered a new therapeutic target, arginine, which suppresses FUS aggregation and could delay ALS progression.
The study observes electric gate-controlled exchange-bias effect in van der Waals heterostructures, enabling scalable energy-efficient spin-orbit logic. The team successfully tunes the blocking temperature of the EB effect via an electric gate, allowing for the EB field to be turned 'ON' and 'OFF'.
A team of researchers from Tokyo University of Science has developed a novel multi-proton carrier complex that shows efficient proton conductivity even at high temperatures. The resulting starburst-type metal complex acts as a proton transmitter, making it 6 times more potent than individual imidazole molecules.
A Polish-Japanese team demonstrates a salutary delay in the reaction of crystal atoms to an avalanche of photons, using X-ray laser pulses. This discovery enables the observation of an undisturbed structure of matter by using sufficiently short laser pulses.
The Replica Exchange Grand Canonical (REGC) method describes how surfaces change in contact with reactive gas phases under different temperature and pressure conditions. The approach identifies 25 thermodynamically stable surface phases and predicts stability phase diagrams for real systems.
Researchers successfully manipulated energy levels in tungsten diselenide to induce luminescence, a breakthrough for controlling matter through light fields. The discovery could enhance optical properties of organic semiconductors, leading to innovative LED and solar cell applications.
Researchers discovered that certain liquid crystals form multiple chiral smectic phases and exhibit complex crystallization processes. Slow cooling can lead to crystallization, while fast cooling promotes vitrification. Cold crystallization occurs when the sample is heated, and its kinetics are controlled by diffusion rates.
Scientists at Max Born Institute demonstrate ultrafast emergence of all-optical switching by generating a nanometer-scale grating through interference of two pulses in the extreme ultraviolet spectral range. The researchers identify an intensity ratio as a fingerprint observable for AOS in diffraction experiments.
FeRh, a metal with antiferromagnetic and ferromagnetic phases, has its phase transition kinetics measured using ultrafast techniques. The study reveals new insights into the ultrafast dynamics of magnetic materials.
The German Research Foundation has granted funding to Johannes Gutenberg University Mainz (JGU) and its strategic alliance partners for four years. Researchers in materials sciences, biophysics, and medicine are working on three collaborative projects with a total funding volume of EUR 35 million. The focus is on developing multiscale ...
Researchers from Johannes Gutenberg University Mainz and partners will continue developing fundamental soft matter simulation methods, improving techniques and applying them to real-world problems. The project aims to establish routine use of multiscale techniques for simulating soft material properties.
A team of researchers has observed a new kind of wave mixing process involving soft x-rays, allowing for selective tracking of electrons in materials. By analyzing this process, they gain insights into the nature of the material and its electronic structure.
Electronic nematicity, a key feature of iron-based superconductors, is primarily driven by spin excitations in FeSe. The study uses RIXS to reveal the spin anisotropies underlying this phenomenon, shedding light on its origin and potential impact on high-temperature superconductivity.
Researchers use computational detective work to verify the existence of a 3D quantum spin liquid in cerium zirconium pyrochlore, overcoming decades-long challenge. The material exhibits fractionalized spin excitations, where electrons do not arrange their spins in relation to neighbors.
Researchers studied twisted trilayer graphene, discovering a phase diagram that decouples into product states of graphene and bilayer graphene. The system exhibits unique insulating and semi-metallic phases in the presence of an electric field.
Researchers precisely measure gold nanocontact's Young's modulus by combining TEM and LER techniques. The study reveals that the outer surface layer governs the overall strength of gold nanocontacts, with implications for NEMS and potential applications in pressure sensors.
Researchers discovered that the CuO2 planes in superconducting Pr2Ba4Cu7O15-δ are both insulating and antiferromagnetic. The findings contradict previous theories and suggest that double chains may be responsible for the superconductivity.
Researchers create a quantum anomalous Hall insulator by stacking a ferromagnetic material between two 2D topological insulators, enabling room-temperature lossless transport. The new architecture could lead to ultra-low energy future electronics or topological photovoltaics.
A team of researchers at The University of Tokyo has created a model that reveals the role of emergent elastic fields in chiral molecular and colloidal crystals. The findings provide a potential switch for developing new electro- and magneto-mechanical devices.
Researchers have observed persistent swinging of electrons between atomic sites in crystals using ultrafast X-ray diffraction. The study reveals relocation of valence charge on the length scale of interatomic distances, paving the way for future studies of functional materials.
Researchers at IOPCAS have synthesized a new compound Ba6Cr2S10, exhibiting ferroelectricity due to broken space-reversal symmetry. The discovery demonstrates the realization of a 1D ferrotoroidic model in a real material, opening doors for future quantum information technology.
Researchers have imaged and measured the two parts of a unique particle called moiré exciton, extending their lifespan. They found that excitons are localized in tiny pockets of around 1.8 nanometers, forming in places where energy is minimal.
Researchers have confirmed a novel quantum topological material for ultra-low energy electronics, reducing energy consumption by a factor of four. The study reveals the potential of zigzag-Xene-nanoribbons to make topological transistors with robust edge states and low threshold voltage.
Researchers have discovered that magnetic spin waves can propagate on circular paths in certain materials, enabling efficient and compact information transfer. This phenomenon, known as Landau quantization, has significant implications for the development of new electronic components.
Researchers from the University of Würzburg have discovered new states in 2D materials by exploring their interactions with phonons. This breakthrough enables the creation of hybridized exciton-photon-phonon states, which could lead to room-temperature Bose-Einstein condensation and polariton lasing.
Researchers have found a new method to induce the piezoelectric effect in materials that are otherwise not piezoelectric. This breakthrough could lead to the development of biocompatible materials with properties similar to common lead-containing materials, and has the potential to expand the design of new electromechanical devices.
Researchers at University of California - Riverside observe time crystals in a system not isolated from its environment, achieving a major breakthrough. The all-optical time crystal uses a disk-shaped magnesium fluoride glass resonator and has potential applications in accurate measurements and precision timekeeping.
Researchers at PSI's Laboratory for Muon Spin Spectroscopy have discovered strong evidence of exotic charge order and orbital currents in a correlated kagome superconductor. The findings provide a new insight into unconventional superconductivity and its relationship with the quantum anomalous Hall effect.
Researchers at GIST used ultrafast X-ray pulses to study warm dense copper electrons, revealing that bonds harden before melting. The findings could improve understanding of extraordinary material properties and their underlying mechanisms.
Scientists have successfully detected two-dimensional kagome surface states in the material RV6Sn6, offering a new approach to investigating intrinsic physics of kagome lattices. The detection was achieved using angle-resolved photoemission spectroscopy (ARPES) with real-space resolution.
The discovery of electroferrofluids with nonequilibrium voltage-controlled magnetism has the potential to control pattern formation and structures, providing valuable insights into dissipative systems. This system can be used to study transition into dissipative systems and understand how external influences interact with the system.
Physicists at the University of Queensland have developed a comprehensive understanding of vortex pinning and unpinning in two-dimensional superfluids. The study reveals four regimes governing these interactions, including a 'pair creation' regime where vortices are pinned to defects.
Researchers have discovered that negative capacitance in topological transistors can switch at lower voltage, potentially reducing energy losses. This new design could help alleviate the unsustainable energy load of computing, which consumes about 8% of global electricity supply.
Researchers predict existence of split photons, a new phase of light that behaves like a coin with two distinct halves. The finding advances fundamental understanding of light and its behavior, challenging long-held beliefs.
Researchers have demonstrated a novel topology arising from losses in hybrid light-matter particles, introducing a new avenue to induce topological effects. The study found that the mere presence of loss in an exciton-polariton system causes it to exhibit nontrivial topology.
Researchers used DeepMind's platform to develop a new functional 'DM21' that better models chemical reactions by addressing long-standing errors in density functional theory. This breakthrough enables more accurate simulations of matter at the nanoscale, potentially leading to improved material design and discovery.
Researchers from Osaka University have successfully grown high-quality magnetite thin films on a hexagonal boron nitride substrate without compromising the film's properties. This breakthrough enables the development of flexible spintronics devices with preserved electronic and magnetic properties.
Scientists from Stanford University and Google Quantum AI have successfully created a time crystal, a new phase of matter that repeats in time without energy input. The achievement opens up opportunities to explore new regimes in condensed matter physics, providing insight into non-equilibrium quantum systems.
Researchers have successfully manipulated a single skyrmion, a tiny magnetic vortex, at room temperature using pulses of electric current. The team used Lorentz transmission electron microscopy to track the motion of the skyrmion and control its direction with ultrafast pulses of electricity.
A University of Wollongong team has combined two doping elements to achieve new efficiencies in the topological insulator Bi2Se3. The resulting crystals show clear ferromagnetic ordering, a large band gap, high electronic mobility, and the opening of a surface state gap.
Researchers find that triangular-patterned materials can exhibit a mashup of three different phases, with each phase overlapping and competing for dominance. As temperature increases, the material becomes more ordered due to the breaking down of these competing electron arrangements.
Researchers from The University of Tokyo Institute of Industrial Science used microscopy to examine surfactant onion layers, discovering they contain defects. Their findings are crucial for designing effective therapeutic carrier systems.
Scientists from the University of Tsukuba have created a method to grow conducting polymers with magnetic properties using harmless virus particles as templates. The resulting polymer networks exhibit helical antiferromagnetic behavior, opening doors for applications in biosensors and virus detection.
Researchers have discovered a three-channel Kondo effect in a cubic holmium compound using numerical methods, predicting an exotic quantum ground state and potential applications. The study found a residual entropy value at ultra-low temperatures, matching the predicted value by the three-channel Kondo effect.
Researchers have identified a complex alloy system that can be strengthened and made more ductile using quantum-mechanical modeling. This breakthrough may lead to more efficient engines, lowering fuel consumption and greenhouse gas emissions in the aviation industry.
Researchers have shown a new way to probe the properties of anyons, strange quasiparticles that could be useful in future quantum computers. By measuring subtle properties of heat conductance, they can detect anyons even in non-conducting materials.
The attoscience community has clarified points of tension through discussions among researchers, exploring the scope and nature of analytical and ab-initio approaches. Researchers also investigated the physical observables of quantum tunnelling experiments, aiming to explain differing conclusions.
New research reveals that a layer of 'hot', electrically conductive ice could be responsible for generating the magnetic fields of ice giant planets. The study found two forms of superionic ice, one of which may exist in the interiors of Uranus and Neptune.
UNSW researchers stabilize a new intermediate phase in a room-temperature multiferroic material under stress, boosting electromechanical response by double its usual value. This breakthrough has exciting implications for next-generation devices and provides a valuable technique for international material scientists.
Australian researchers have made a significant step towards ultra-low energy electronics by demonstrating the dissipationless flow of exciton polaritons at room temperature. The breakthrough involves placing a semiconductor material between two mirrors, allowing the excitons to propagate without losing energy.