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    • General and Mathematical Physics(3)
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  • NEW
    Into the Frontier of Nuclear Chart at RI Beam Factory, RIKEN: Discovery of 98Sn

    Into the Frontier of Nuclear Chart at RI Beam Factory, RIKEN: Discovery of 98Sn

    2025-5-15

    The most neutron-deficient tin isotope of 98Sn has been discovered beyond the double-magic nuclide 100Sn. It is produced by the projectile fragmentation of a 124Xe beam and identified in the BigRIPS separator.

    Nuclear physics

  • NEW

    A Heavy ion Probe for Studying Double Gamow–Teller Giant Resonance

    2025-4-30

    Using a heavy ion beam of 12C, researchers have observed a candidate of the double Gamow–Teller giant resonance (DGTGR)—a new nuclear excitation state, related to neutrinoless double beta decay.

    Nuclear physics

  • Qualitative Changes in Kinetic Pathways Driven by Hydrodynamic Interactions in Dense Colloidal Suspensions

    Qualitative Changes in Kinetic Pathways Driven by Hydrodynamic Interactions in Dense Colloidal Suspensions

    2025-4-18

    Even in dense colloidal suspensions, where long-range hydrodynamic interactions are screened, near-field hydrodynamic interactions qualitatively influence the selection of kinetic pathways.

    Cross-disciplinary physics and related areas of science and technology

    Statistical physics and thermodynamics

    Structure and mechanical and thermal properties in condensed matter

  • Higher-Order Topological Phases in Magnetic Materials with Breathing Pyrochlore Structures

    Higher-Order Topological Phases in Magnetic Materials with Breathing Pyrochlore Structures

    2025-4-7

    A simple example of a higher-order topological phase, in which the symmetry decreases step-by-step from the bulk to the corner, is realized in a magnetic system with a pyrochlore structure and is characterized by a series of quantized Berry phases defined for the bulk, surface, and edge.

    Electronic structure and electrical properties of surfaces and nanostructures

    Magnetic properties in condensed matter

    Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling

  • Existence of Chiral Soliton Lattices (CSLs) in Chiral Helimagnet Yb(Ni1-xCux)3Al9

    Existence of Chiral Soliton Lattices (CSLs) in Chiral Helimagnet Yb(Ni1-xCux)3Al9

    2025-4-1

    Our study examines the magnetic structure of the monoaxial chiral helimagnet Yb(Ni1-xCux)3Al9, providing first direct evidence of the formation of chiral soliton lattice state.

    Magnetic properties in condensed matter

  • PICKUP
    Overcoming Phase Transitions for Faster Quantum Annealing

    Overcoming Phase Transitions for Faster Quantum Annealing

    2025-3-27

    This study presents an innovative method to address the problem of phase transitions in quantum annealing, resulting in an exponential speedup of the process.

    Statistical physics and thermodynamics

  • Fractional Vortex Array with Nontrivial Topological Structure Realized at Twin Boundary of Nematic Superconductor

    Fractional Vortex Array with Nontrivial Topological Structure Realized at Twin Boundary of Nematic Superconductor

    2025-3-24

    Analysis of the two-component Ginzburg-Landau theory suggests that a conventional vortex is transformed into two fractional vortices with the topological nature of core-down and core-up merons at the twin boundary of a nematic superconductor.

    Superconductivity

  • PICKUP
    Exploring the Vibrant Interplay of Machine Learning and Physics

    Exploring the Vibrant Interplay of Machine Learning and Physics

    2025-3-13

    This Journal of the Physical Society of Japan Special Topics edition explores how physics and machine learning complement each other and can solve unresolved problems in physics.

    Cross-disciplinary physics and related areas of science and technology

    Electron states in condensed matter

    Elementary particles, fields, and strings

    Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling

    Statistical physics and thermodynamics

    Superconductivity

  • PICKUP
    Understanding Pressure-Induced Superconductivity in CrAs and MnP

    Understanding Pressure-Induced Superconductivity in CrAs and MnP

    2025-3-10

    This study reviews existing research on the pressure-induced variation of magnetic properties of transition metal mono-pnictides like CrAS, MnP, and others, aiming to understand the unconventional superconductivity observed in CrAs and MnP.

    Magnetic properties in condensed matter

  • PICKUP
    A Unified Theory of Topological Hall Effect

    A Unified Theory of Topological Hall Effect

    2025-3-6

    This paper presents a unified theoretical description for the topological Hall effect, covering the entire region from strong- to weak-coupling, extending its picture beyond the Berry phase.

    Electronic transport in condensed matter

  • PICKUP
    Excitonic Insulators: Challenges in Realizing a Theoretically Predicted State of Matter

    Excitonic Insulators: Challenges in Realizing a Theoretically Predicted State of Matter

    2025-3-3

    The realization of an excitonic insulator can help in the establishment of a new electronic state in condensed matter physics, one that has the potential to exhibit novel electric, magnetic, and optical responses beyond those of conventional materials.

    Electron states in condensed matter

    Electronic transport in condensed matter

  • PICKUP
    Characterizing Quantum Chaos: Exact Analytical Expression for Gap Ratio Distribution

    Characterizing Quantum Chaos: Exact Analytical Expression for Gap Ratio Distribution

    2025-2-27

    This study presents the exact analytical expressions for gap ratio distribution, which is widely used to measure the chaoticity of quantum systems in many-body systems.

    General and Mathematical Physics

  • Traffic Signal Optimization using Quantum Annealing

    2025-2-25

    This paper introduces a QUBO model for traffic signal optimization on real-world maps. Using D-Wave quantum annealing and SUMO simulations, the model reduces vehicle waiting times, but underperforms classical solvers.

    Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling

  • Understanding 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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Fields

  • Applied Mathematics, Socio- and Econophysics (0)
  • Astrophysics, cosmology, and geophysics (4)
  • Atomic and molecular physics (3)
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  • Electromagnetism, optics, acoustics, heat transfer, and classical and fluid mechanics (7)
  • Electron states in condensed matter (23)
  • Electronic structure and electrical properties of surfaces and nanostructures (28)
  • Electronic transport in condensed matter (39)
  • Elementary particles, fields, and strings (11)
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  • Structure and mechanical and thermal properties in condensed matter (43)
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