FieldsDielectric, optical, and other properties in condensed matter
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Discovery of Light-Induced Mirror Symmetry Breaking
2024-9-2
The authors discovered the light-induced mirror symmetry breaking, paving the way for controlling mirror symmetries via light and for realizing various phenomena utilizing the mirror symmetry breaking.
Dielectric, optical, and other properties in condensed matter
Electronic transport in condensed matter
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d2 Trimer and d3 Tetramer in a Pyrochlore Lattice
2024-7-11
Based on the charge disproportionation of V3+ and V2+, the V3+(d2) trimers and V2+(d3) tetramers in the vanadium pyrochlore lattice of AlV2O4 are described by the orbitally-induced Peierls mechanism.
Dielectric, optical, and other properties in condensed matter
Electron states in condensed matter
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Structural Rotation and Falsely Chiral Antiferromagnetism: A New Combination Generating Ferrotoroidic State
2024-7-4
The ferrotoroidic state, an exotic state of matter with broken space inversion and time-reversal symmetries, was achieved by combining structural rotation and falsely chiral antiferromagnetism in PbMn2Ni6Te3O18.
Dielectric, optical, and other properties in condensed matter
Magnetic properties in condensed matter
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Current Melt Frozen Electrons
2024-1-15
The origin of the current-induced insulator-to-metal transition of samarium monosulfide was explained by the 4f−5d hybridization observed using optical reflectivity and photoelectron spectroscopies.
Dielectric, optical, and other properties in condensed matter
Magnetic properties in condensed matter
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One-Way Optical Waveguide Realized by Edge Modes of Topological Photonic Crystals
2023-12-12
A one-way optical waveguide was realized on the boundary between two types of photonic crystals with different topological properties, which were demonstrated by high-resolution infrared reflection measurements.
Dielectric, optical, and other properties in condensed matter
Electromagnetism, optics, acoustics, heat transfer, and classical and fluid mechanics
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PICKUP
Dzyaloshinskii–Moriya Interactions in Magnetism, Electricity, and Electronics
2023-10-12
A collection of papers in the Journal of the Physical Society of Japan advances our understanding of Dzyaloshinskii–Moriya interaction and paves the way for developing next generation computing and electronic systems.
Dielectric, optical, and other properties in condensed matter
Electron states in condensed matter
Magnetic properties in condensed matter
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How Many Excitons Can Combine?
2023-8-31
Quantum diffusion Monte Carlo simulation demonstrated the formation of polyexcitons in two-dimensional multi-valley semiconductor systems, where all exciton pairs were energetically bound by equal-strength “chemical bonds.”
Dielectric, optical, and other properties in condensed matter
Electronic structure and electrical properties of surfaces and nanostructures
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Toward Accurate Diamond Quantum Sensing
2023-8-16
A systematic investigation of the optical power dependence of the response of diamond quantum sensors provides valuable guidelines for accurate magnetic field measurements.
Dielectric, optical, and other properties in condensed matter
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PICKUPGeometry-Based Nonlinear and Nonequilibrium Phenomena in Solids
2023-7-10
Researchers from The University of Tokyo have recently reviewed geometric aspects of nonlinear and nonequilibrium optical phenomena for advanced materials applications in novel solar panels, photodetectors, diodes, and quantum computing.
Dielectric, optical, and other properties in condensed matter
Electronic structure and electrical properties of surfaces and nanostructures
Electronic transport in condensed matter
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Electron-Hole Asymmetry Observed in Photoinduced Phase Transition of Excitonic Insulators
2023-6-14
During a photoinduced phase transition from an excitonic insulator to a semimetal, photoinduced energy shift of its hole band is delayed than that of its electron band indicating electron-hole asymmetry.
Dielectric, optical, and other properties in condensed matter
Electronic structure and electrical properties of surfaces and nanostructures
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PICKUPTowards a New Phase in Materials Science with Hyperordered Structures
2023-5-1
A Special Topics edition of the Journal of the Physical Society of Japan features articles discussing recent advancements in hyperordered structures in materials, their applications, and the techniques for observing them.
Atomic and molecular physics
Cross-disciplinary physics and related areas of science and technology
Dielectric, optical, and other properties in condensed matter
Electron states in condensed matter
Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling
Structure and mechanical and thermal properties in condensed matter
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PICKUPHigh Magnetic Field as a Tool for Discovery in Condensed Matter Physics
2022-12-13
The Journal of the Physical Society of Japan highlights in this special topic recent advances in modern physics that have been realized with the generation of pulsed high magnetic fields.
Dielectric, optical, and other properties in condensed matter
Electron states in condensed matter
Electronic structure and electrical properties of surfaces and nanostructures
Electronic transport in condensed matter
Magnetic properties in condensed matter
Measurement, instrumentation, and techniques
Structure and mechanical and thermal properties in condensed matter
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PICKUPTerahertz Radiation as a Tool for Exploring Material Properties
2022-12-8
Researchers from Japan highlight, in a recent review, the range of material properties that can be and have been studied using the phenomenon of femtosecond laser-induced terahertz radiation emission.
Dielectric, optical, and other properties in condensed matter
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Birefringence Imaging-Based Investigation of Stress-Induced Phase Transitions in SrTiO3
2022-10-27
The spatial distributions of ferroelectric and structural phase transitions in quantum paraelectric SrTiO3 under uniaxial stress were microscopically observed using birefringence imaging techniques.
Dielectric, optical, and other properties in condensed matter
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New Chiral Molecular Ferroelectrics
2022-6-14
A new chiral ferroelectric material is discovered in a purely organic system, 1,1’-bi-2-naphthol・2 dimethyl sulfoxide (BINOL・2DMSO).Dielectric, optical, and other properties in condensed matter
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Understanding Relaxor Ferroelectrics with Simple Landau Theory
2022-5-23
Third-order nonlinear dielectric susceptibility is measured in the paraelectric phase of Pb(Sc1/2Ta1/2)O3. The linear and nonlinear dielectric susceptibility results can be consistently explained based on the Landau-type free-energy density.
Cross-disciplinary physics and related areas of science and technology
Dielectric, optical, and other properties in condensed matter
Structure and mechanical and thermal properties in condensed matter
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New Systematic Analysis Method of Identifying Microscopic Essential Couplings
2022-1-31
We propose a systematic method of identifying essential model parameters for nonlinear response tensors. The analysis results reveal fundamental couplings in nontrivial responses and promote further development of multiferroic responses.
Cross-disciplinary physics and related areas of science and technology
Dielectric, optical, and other properties in condensed matter
Electronic transport in condensed matter
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Shedding Light on Nonreciprocal Directional Dichroism at High Magnetic Fields in a Multiferroic Material
2022-1-19
Large optical nonreciprocal directional dichroism, coupled with an antiferromagnetic order parameter, is observed in a high magnetic field via magneto-optical spectroscopy combined with a pulse magnet technique.
Dielectric, optical, and other properties in condensed matter
Magnetic properties in condensed matter
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A Two-step Creation of Phonon Entanglement with Quantized Light
2021-12-28
Dynamics of photoinduced quantum entanglement generation between phonons is theoretically revealed. The results contribute to the study of fundamental theoretical problems within quantum dynamics of photoinduced phase transitions and quantum information science.
Dielectric, optical, and other properties in condensed matter
Electromagnetism, optics, acoustics, heat transfer, and classical and fluid mechanics
Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling
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PICKUP
The Mysteries of Charge Order and Charge Fluctuations in Cuprate Superconductors
2021-11-16
This Special Topics issue condenses the latest research on the enigmatic characteristics of high-temperature superconductivity in cuprates through the observation and elucidation of charge order, charge fluctuations, and other phenomena.Dielectric, optical, and other properties in condensed matter
Magnetic properties in condensed matter
Structure and mechanical and thermal properties in condensed matter
Superconductivity
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Analyzing Photoinduced Phase Transitions in an Organic Salt Using Floquet Theory
2021-11-5
Rich nonequilibrium phase diagrams, including photoinduced topological insulator phases, were theoretically predicted for an organic salt α-(BEDT-TTF)2I3 when irradiated by elliptically polarized light.Dielectric, optical, and other properties in condensed matter
Electronic structure and electrical properties of surfaces and nanostructures
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Electric Quadrupole Orders in f-Electron Systems on the fcc Lattice
2021-5-17
We theoretically showed that electric quadrupoles in some heavy fermion materials exhibit a very rich phase diagram including unique partially-ordered phases stabilized by an interaction specific to these systems.
Dielectric, optical, and other properties in condensed matter
Magnetic properties in condensed matter
Statistical physics and thermodynamics
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Electronic Nematic Ordering Driven by Atomic-scale Multipoles
2021-5-13
Theoretical investigations have unearthed a plethora of electronic nematic orderings driven by the spatial distribution of atomic-scale electric quadrupoles.Dielectric, optical, and other properties in condensed matter
Magnetic properties in condensed matter
Statistical physics and thermodynamics
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On and Off: The Physics Behind Photoswitchable Magnetic Octacyanometalates
2021-3-15
We make a major breakthrough in understanding the photoswitchable magnetism in square-antiprismatic octacyanometalates. We reveal that the ``bidirectional” magnetism is accompanied by ``monodirectional electronics” to find a possibility of fabricating multifunctional magnetic devices.
Dielectric, optical, and other properties in condensed matter
Magnetic properties in condensed matter