Year2025
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NEWUnderstanding Global Inconsistency and ’t Hooft Anomaly Using Simple Quantum Mechanics
2025-2-21
This study explores the implications of global inconsistency and ’t Hooft anomalies for analyzing quantum field theories, using simple quantum mechanical models to provide valuable insights into these complex phenomena.
Theoretical Particle Physics
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NEWSymmetry and AI: Building the Future of Physics Simulations
2025-2-18
Generative artificial intelligence (AI) has gained considerable attention in scientific fields. By embedding physical symmetry into AI before training, we created a faster and lighter model. Scaling improves the accuracy and unlocks the potential of physics research and applications.
Magnetic properties in condensed matter
Measurement, instrumentation, and techniques
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NEWBayesian Insights into X-ray Laue Oscillations: Quantitative Surface Roughness and Noise Modeling
2025-2-14
This study adopts Bayesian inference using the replica exchange Monte Carlo method to accurately estimate thin-film properties from X-ray Laue oscillation data, enabling quantitative analysis and appropriate noise modeling.
Measurement, instrumentation, and techniques
Structure and mechanical and thermal properties in condensed matter
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NEWHyperuniform and Multifractal States in Bosonic Quasicrystalline Systems
2025-2-10
Quantum states can be categorized as hyperuniform or multifractal based on electronic characteristics. This study demonstrates that bosonic quasicrystalline systems exhibit hyperuniform or multifractal quantum states.
Statistical physics and thermodynamics
Structure and mechanical and thermal properties in condensed matter
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NEWExploring Materials without Data Exposure: A Bayesian Optimizer using Secure Computation
2025-2-6
Secure computation allows the manipulation of material data without exposing them, thereby offering an alternative to traditional open/closed data management. We recently reported the development of an application that performs Bayesian optimization using secure computation.
Cross-disciplinary physics and related areas of science and technology
Measurement, instrumentation, and techniques
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NEWTriangular Lattice Magnet GdGa2: Spin Cycloids and Skyrmions
2025-2-3
Careful measurements were conducted on the hexagonal magnet GdGa2 to reveal the experimental signatures of ultrasmall spin cycloids and of a potential Néel-type skyrmion lattice phase induced by a magnetic field.
Cross-disciplinary physics and related areas of science and technology
Electronic transport in condensed matter
Magnetic properties in condensed matter
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NEWDevelopment of a High-Power UV Laser for High-Fidelity Rydberg Excitation
2025-1-28
The development of a high-power, low-noise ultraviolet laser facilitates fast Rydberg excitation of single ytterbium atoms, which is a fundamental step towards achieving high-fidelity two-qubit gates.
Atomic and molecular physics
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NEWSpin-Spin Interaction Mediated by Rotational Lattice Vibrations
2025-1-24
This study predicts the presence of spin-spin interactions mediated by the angular momentum of lattice vibrations, which can be long-range.
Magnetic properties in condensed matter
Structure and mechanical and thermal properties in condensed matter
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PICKUPShaping the Future of Materials Science with Tanabe–Sugano Diagrams
2025-1-21
This special collection published in the Journal of the Physical Society of Japan celebrates 70 Years of Tanabe–Sugano Diagrams, highlighting their continued role in advancing materials with transition metals.Dielectric, optical, and other properties in condensed matter
Electron states in condensed matter
Electronic structure and electrical properties of surfaces and nanostructures
Magnetic properties in condensed matter
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How to construct a 3D Dirac semimetal by stacking 2D massless Dirac fermion layers
2025-1-14
Interlayer spin–orbit coupling originating from the anion potential gives rise to a 3D Dirac semimetal state that preserves inversion symmetry in the multilayer organic massless Dirac fermion system α-(ET)2I3.
Electron states in condensed matter
Electronic structure and electrical properties of surfaces and nanostructures
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Implementation of Nuclear Many-Body Wave Functions via Superpositions of Localized Gaussians
2025-1-9
An extended version of antisymmetrized molecular dynamics integrated with a mean-field model is proposed, and its potential is demonstrated.Nuclear physics
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PICKUPUnlocking Secrets of Novel Charge-Orbital States in Transition-Metal Compounds
2025-1-6
A new Special Topics edition of the Journal of the Physical Society of Japan features articles exploring special transition-metal compounds that exhibit novel charge-orbital states.
Cross-disciplinary physics and related areas of science and technology
Electron states in condensed matter
Electronic structure and electrical properties of surfaces and nanostructures
Magnetic properties in condensed matter
Structure and mechanical and thermal properties in condensed matter