Articles tagged with Condensed Matter Physics
Scientists use human-AI collaboration to tackle complex questions in condensed matter physics, leveraging machine learning algorithms to identify patterns in simulation data. This approach successfully models the behavior of frustrated magnets and sheds light on quantum computing and gravity.
Researchers at Caltech have created a new method to sum up large numbers of Feynman diagrams, enabling the prediction of electron-phonon interactions in materials. This breakthrough has solved the polaron problem, allowing scientists to predict how electrons flow in certain materials, both conventional and quantum.
Scientists have developed a new class of twistable materials, unlocking unprecedented quantum possibilities. The twist platform can engineer entirely new quantum states, including quantum spin liquids with potential applications in high-temperature superconductivity.
The study reveals evidence of potential p-wave superconductivity at the LaAlO3/KTaO3 interface and proposes a universal approach for identifying superconducting pairing mechanisms. By analyzing tunneling spectroscopy, the researchers observed distinct spectroscopic behaviors that suggest strong coupling with the superconductor can indu...
Researchers from Penn University propose a five-member particle package, known as the 5-plet, that string theory cannot accommodate. This particle family is absent in any known string-based calculation, raising concerns about the framework's validity.
Researchers from Nagoya University have developed a deformable mirror that changes X-ray beam size by more than 3,400 times using a single-crystal piezoelectric thin wafer of lithium niobate. This technology enhances both imaging and analysis, especially for industry applications.
Researchers at Rice University have conducted the first direct search for ultralight dark matter using a magnetically levitated particle. Despite high sensitivity, they did not find evidence of the anticipated signal, ruling out specific interactions between dark matter and ordinary matter.
Scientists from Harvard University and PSI have developed a method to stabilize transient quantum states in materials using tailored optical excitation. This breakthrough enables the study of emergent properties of quantum materials, paving the way for transformative technologies such as lossless electronics and high-capacity batteries.
Scientists have successfully measured the structure of liquid carbon using a unique combination of laser compression, X-ray analysis, and large-area detectors. The results reveal that liquid carbon has a water-like structure with special structural properties, and its melting point was precisely determined.
Triboelectric and piezoelectric nanogenerators convert mechanical energy into electrical energy, enhancing robotic autonomy and efficiency. The technology has the potential to reshape future robotic capabilities, particularly in industrial automation, healthcare, and smart home applications.
Researchers identified a direct correlation between the emergence of boson peak (BP) and first sharp diffraction peak (FSDP) using heterogeneous elasticity theory. This suggests that FSDP is a determining factor in the vibrational behavior of glasses within the THz band.
The University of Michigan researchers discovered a simple annealing method that enhances the quality of materials used in cell phones, sensors and energy harvesting devices. The process boosts piezoelectricity eight times beyond current technology.
Researchers at Dartmouth College propose a new theory on the origin of dark matter, suggesting it could have formed from high-energy massless particles that rapidly condensed into cold, heavy particles. The theory can be tested using existing observational data, including the Cosmic Microwave Background radiation.
Researchers at TU Wien have discovered a material called murunskite that combines properties of cuprates and pnictides in unexpected ways. Despite the random arrangement of its atoms, murunskite exhibits surprisingly ordered magnetic properties at high temperatures.
The new Priority Program will focus on developing IT components utilizing altermagnetism, which combines the benefits of ferromagnets and antiferromagnets. Researchers aim to overcome current limitations and achieve a significant increase in efficiency and speed.
A Lehigh University team developed a novel machine learning method to predict abnormal grain growth in materials, enabling the creation of stronger, more reliable materials. The model successfully predicted abnormal grain growth in 86% of cases, with predictions made up to 20% of the material's lifetime.
Researchers at Zhejiang University developed a novel 3D-printed hydrogel that can easily switch its Young's modulus from kPa to GPa through on-demand crystallization. The hydrogel exhibits a hardness of 86.5 Shore D and a Young's modulus of 1.2 GPa, surpassing current 3D-printed hydrogels.
A study by Philip Kurian and colleagues reveals a revised upper bound on carbon-based life's computational capacity, connecting it to the universe's information-processing limit. The discovery of quantum superradiance in cytoskeletal filaments enables eukaryotic organisms to process information through tryptophan networks.
Researchers found that quantum annealing processors achieve computational advantage in simulating complex problems involving quantum spin dynamics and the transverse-field Ising model. The results demonstrate severe limitations of classical simulation methods, which require impractically large computational resources and time.
A German-Italian team has discovered a way to simplify the experimental implementation of two-dimensional electronic spectroscopy, allowing for real-time study of electron motion in solids. By adding an optical component to Cerullo's interferometer, researchers were able to control laser pulses more precisely, enabling the investigatio...
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.
Australian scientists have identified the origin of the restoring force in elastic crystals, allowing for the design of new hybrid materials. The study found that energy is stored in molecular interactions under compressive and expansive strain, enabling the crystal to return to its original shape.
Researchers derived 2D coupled wave equations for photonic crystal surfaces, aiding the development of efficient laser devices. The findings established parallels between TM and transverse electric polarisation behaviours, offering unique advantages in certain configurations.
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 at Mainz University confirmed the chiral-induced spin selectivity (CISS) effect using spintronic methods. The study shows that chiral molecules can convert spin currents to charge with varying efficiency, depending on their chirality and orientation.
Researchers have revived the Lieb-Schultz-Mattis theorem in open quantum systems, extending its constraints to entanglement Hamiltonian and shedding light on behavior of entanglement in presence of environment. The theorem requires weak symmetry and short-range correlation, with numerical simulations verifying its validity.
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 have uncovered key insights about how liquid crystals transform between different phases using direct simulation and machine learning. This study provides a clearer understanding of the microscopic-level changes in these materials, which could lead to new possibilities for advanced materials development.
The German Research Foundation has approved a four-and-a-half-year extension for the Research Training Group 2516, which explores structure formation in soft matter. The group aims to understand assembly processes and manipulate them through interfaces.
Researchers at Martin Luther University Halle-Wittenberg have developed a new method to visualize magnetic nanostructures with a resolution of around 70 nanometres. This breakthrough enables the analysis of spintronic components and has significant implications for energy-efficient storage technologies.
Scientists at the Paul Scherrer Institute have found a quantum phenomenon known as time-reversal symmetry breaking occurring at the surface of the Kagome superconductor RbV₃Sb₅ at temperatures up to 175 K. This discovery sets a new record for the temperature at which this phenomenon is observed among Kagome systems.
A team of researchers at Johannes Gutenberg University Mainz has developed a new method to study the interior of crystalline drops using monochromatic illumination. This approach exploits the color-dependent scattering of light and reveals the density profile of the drop, including initial rapid expansion due to particle repulsion befo...
Researchers have discovered chiral topological semi-metals that possess properties making them suitable for generating currents of orbital angular momentum (OAM) flows. This breakthrough paves the way for the development of energy-efficient devices in orbitronics, a potential alternative to traditional electronics.
A recent study has lifted the veil of topological censorship by revealing a meandering conduction channel that can carry quantized bulk current. The researchers identified mechanisms that allow for tuning between qualitatively different microscopic implementations, challenging traditional theories.
Researchers apply computational technique to understand the 'pseudogap', a long-standing puzzle in quantum physics with ties to superconductivity. The discovery helps scientists in their quest for room-temperature superconductivity, enabling lossless power transmission and faster MRI machines.
A team of researchers discovered that twisting layers of a material can generate an electron-path-deflecting effect, controlling light and electrons in quantum materials. The phenomenon mimics the Coriolis force, where light is used to manipulate electrons, exhibiting new quantum behaviors.
Researchers at Johannes Gutenberg University Mainz enhance Brownian reservoir computing to detect simple hand gestures, outperforming software-based approaches in terms of accuracy and energy consumption. The system uses skyrmions to recognize complex motions with low currents.
Researchers from the University of Cambridge have created a 2D version of the Bose glass, a novel phase of matter that challenges traditional statistical mechanics. The new phase exhibits non-ergodic behavior, meaning it retains its details, and has potential applications in quantum computing.
LMU researchers investigated how cell nuclei change shape to migrate through tight spaces, revealing reversible nuclear deformation and adaptation of pulling and pushing forces. The study suggests a biphasic dependence of migration speed on channel width, with maximal transition rates at widths comparable to the nuclear diameter.
A new study published in Physical Review Letters suggests that nanohertz gravitational waves may not originate from supercool first-order phase transitions. Researchers found that such transitions would struggle to complete, shifting the frequency of the waves away from nanohertz frequencies.
Scientists from Japan have discovered a new type of ice, known as ice 0, which can cause water droplets to freeze near their surface rather than at their core. This discovery resolves a debate about the formation of ice and has significant implications for climate studies and food sciences.
Researchers have discovered that photo-excited YBa2Cu3O6.48 expels a static magnetic field from its interior, comparable to equilibrium superconductivity. This finding suggests that tailored light pulses can be used to synchronize fluctuating states and restore superconducting order at higher temperatures.
A team of researchers has discovered a long-range charge-density wave order in a high-temperature superconductor induced by tensile-compressive strain, challenging conventional beliefs about magnetism as the primary driver. The findings have immense promise for elucidating the underlying mechanisms of high-temperature superconductivity.
Physicists at UCSB and collaborators have created a framework to manipulate self-sustained chaotic flows in active fluids by controlling topological defects. This allows for the engineering of self-powered fluids with tunable flows, paving the way for applications in biological processes, soft robotics, and fluid-based logic devices.
Scientists at the University of Rochester have developed a technique for pairing particles of light and sound, allowing for faithful conversion of information stored in quantum systems. The method uses surface acoustic waves, which can be accessed and controlled without mechanical contact, enabling strong quantum coupling on any material.
A new atomically-thin material has been discovered that can switch between an insulating and conducting state by controlling the number of electrons. This property makes it a promising candidate for use in electronic devices such as transistors.
Scientists have found evidence of a Bragg glass phase in a crystal using machine learning and X-ray technology. The study provides insight into the nature of glasses and their unique properties, which could inform material design.
Scientists from the University of Amsterdam and Chile have created a new type of granular material that can be compressed and still flow like a liquid. This breakthrough has significant potential for applications such as shock dampening, where the material can absorb and distribute energy more consistently.
Scientists create high-throughput automation to calculate surface properties of crystalline materials using established laws of physics. This accelerates the search for relevant materials for applications in energy conversion, production, and storage.
Researchers have developed a lead-selenide-based material that improves thermoelectric efficiency without using scarce tellurium. The new material's performance surpasses existing tellurium-based thermoelectric materials in both cooling and electrical conductivity.
Researchers at Argonne National Laboratory have developed a new technique to precisely modulate electron flow in microelectronic devices, enabling lower power consumption and increased efficiency. The 'redox gating' method allows for the control of electron flow at low voltages, preventing damage to the system.
The TR-ARPES technique has rapidly matured into a powerful tool for exploring the equilibrium and dynamical properties of quantum materials. Researchers can now fine-tune electronic, transport, and magnetic properties of quantum materials on demand using light-matter interaction.
Researchers discovered charge fractionalisation in an iron-based metallic ferromagnet using laser ARPES spectroscopy, revealing collective excitations and quasiparticles. The study challenges fundamental quantum mechanics by showing electrons can behave as independent entities with fractionally charged pockets.
Scientists have successfully created and identified merons in synthetic antiferromagnets, which are rare collective topological structures. The achievement was made possible through extensive simulations and experiments by researchers at Johannes Gutenberg University Mainz.
Physicists at Princeton University have observed long-range quantum coherence effects due to Aharonov-Bohm interference in a bismuth bromide topological insulator-based device. This finding could lead to the development of spin-based electronics with higher energy efficiency and new platforms for quantum information science.
Researchers have proved the existence of altermagnetism, a new type of magnetism that offers distinct advantages for next-generation magnetic memory technology. Altermagnets exhibit strong spin-dependent phenomena like ferromagnets while possessing zero net magnetization.
Researchers visualize second sound, a wave-like movement of heat, independent of physical particle motion in a superfluid. The findings expand understanding of heat flow in superconductors and neutron stars.
Researchers have discovered a new state of matter characterized by chiral currents, generated by cooperative electron movement. This phenomenon has implications for the development of new electronic devices and technologies, including optoelectronics and quantum technologies.
A team of researchers has identified the intrinsic interactions responsible for light-induced ferroelectricity in SrTiO3. By measuring fluctuations in atomic positions, they found that mid-infrared excitation suppresses certain lattice vibrations, leading to a more ordered dipolar structure.
A Swiss-Polish team has found the answer to why previous attempts to use magnesium hydride for efficient hydrogen storage failed. The researchers developed a new model that predicts local, thermodynamically stable clusters are formed in magnesium during hydrogen injection, reducing hydrogen ion mobility.