JPS Hot Topics

New Phases of Matter: Topological Physics in the 21^st Century

Researchers from Japan highlight in an editorial our current understanding of topological phases of matter, focusing on the classification of the newly discovered symmetry protected topological phases.

Theoretical Particle Physics

Fundamental Theory of Condensed Matter Physics, Statistical Mechanics, Fluid Dynamics,

Superconductivity

Giant Vortices of Fish: Mechanisms and Patterns

The origin of giant rotating clusters of fish is revealed by a new agent-based model that incorporates the topological nature of interactions and the escape response characteristic to fish.

Cross-disciplinary physics and related areas of science and technology

Calculating Impedances for a Particle Accelerator

In a new study, scientists provide a more comprehensive picture of dealing with the impedances of a two-dimensional conductive cylindrical beam pipe with walls of finite thickness and space-charge forces simultaneously.

Beam Physics

Origin of Metamagnetic Transition (MMT) in the Spin-Triplet Superconductivity in UTe₂

State-of-the-art magnetostriction measurements in a pulsed-magnetic field reveal the origin of a metamagnetic transition of spin-triplet superconductor UTe₂. We propose that the uranium valence fluctuation plays a crucial role in its metamagnetic and superconducting transitions.

Superconductivity

Magnetic properties in condensed matter

Unraveling the Unique Properties of Icosahedral Quasicrystals

Scientists review the magnetism, non-Fermi liquid behavior, and quantum critical behavior observed in icosahedral quasicrystals (QCs), and compare these properties with that of heavy fermions and approximant crystals.

Magnetic properties in condensed matter

Structure and mechanical and thermal properties in condensed matter

Cross-disciplinary physics and related areas of science and technology

Testing the Viability of Muon Accelerators

Researchers demonstrate the viability of a radio-frequency linear accelerator to accelerate stopped muons to the speed of light.

Experimental Particle Physics

New Chiral Molecular Ferroelectrics

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

Tensor Networks Across Physics

Researchers from Japan provide the first comprehensive review of the historical development of tensor networks from a statistical mechanics viewpoint, with a focus on its theoretical background.

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

Statistical physics and thermodynamics

Magnetic properties in condensed matter

Towards Radionuclide Cancer Therapy with High Purity ¹⁷⁷Lu from Enriched ¹⁷⁶Yb Samples

A method was developed to estimate the isotopic compositions of enriched ¹⁷⁶Yb sample required for producing radionuclide ¹⁷⁷Lu used for cancer therapy, with high radionuclide purity in accelerators.

Nuclear physics

Cross-disciplinary physics and related areas of science and technology

Simulating Strongly Coupled Quantum Field Theory with Quantum Algorithms

Nonperturbative quantum field theory problems can often be difficult to solve with classical algorithms. Researchers now develop quantum computing algorithms to understand such problems in the Hamiltonian formalism.

Theoretical Particle Physics