Ferroaxial domains were visualized in the glaserite-type compound Na₂BaM(PO₄)₂ (M = divalent metal) using the linear electrogyration effect with polarization microscopy combined with a field-modulation imaging technique.

The coupled dynamics between quantum turbulence and normal-fluid turbulence is investigated via advanced numerical simulations. Our simulations show that quantum turbulence can be enhanced by normal-fluid turbulence through internal mutual friction.

Ion gating on the surface of the Mott insulator Ca₂RuO₄ induces the progression of metallisation into the bulk interior without the influence of the current flow.

A magnetic shape memory effect, easy magnetization axis switching accompanied by crystallographic axis conversion, has been discovered in a heavy electron system CeSb_₂.

This study shows electrons interact with chiral phonons via crystal angular momentum, revealing a new angular momentum transfer mechanism and advancing quantum dynamics understanding in chiral materials.

The superconducting diode effect is proposed for a three-terminal semiconductor double-quantum-dot device. This effect is considerably enhanced by the Dirac-point singularities in the superconducting phase space.

In bilayer materials, moiré patterns reduce the phonon velocity, thus reducing the overall thermal conductivity, with a characteristic temperature dependence, at low temperatures.

We discovered an anomalous quantum state in which electric conduction exhibits a gapped behavior exclusively in one direction, in the quantum limit of the BiSb alloy under strong magnetic fields.

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

Our study examines the magnetic structure of the monoaxial chiral helimagnet Yb(Ni_1-xCu_x)₃Al₉, providing first direct evidence of the formation of chiral soliton lattice state.

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

This study predicts the presence of spin-spin interactions mediated by the angular momentum of lattice vibrations, which can be long-range.

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.

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.

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.

This study clarifies that the high mobility semimetal Ta₂PdSe₆ generates large Seebeck and Nernst effects at low temperatures, providing insight for exploring good thermoelectric materials for low-temperature applications.

A new method of acoustically driven resonance is proposed to unveil the multipole degrees of freedom of a crystal-field quartet and demonstrate the realization of spin acoustic control.

This study explores the magnetic behavior of rare-earth magnet EuPtSi using single-crystal neutron diffraction, potentially revealing magnetic skyrmion lattice formation.

Using laser-excited photoelectron emission microscope (laser-PEEM) we found that the nematic stiffness in iron-based superconductors significantly increases as the systems become strange metals, suggesting that spin–orbital fluctuations enhance the stiffness of electronic nematicity.

This Special Topics edition of JPSJ details the capabilities and upgrades made to the instruments at JRR-3, since its shutdown after the Great East Japan Earthquake and 2011.

Newly developed neutron holography was applied to ferroelectric BaTiO₃ to evaluate oxygen displacement, providing important structural information for improving the ability of dielectric materials to store electricity.

This study clarifies the relationship between magnetic ordering and chiral gauge fields in the ferromagnetic Weyl semimetal Co₃Sn₂S₂, highlighting its spintronic potential using the topological magnetoelectric responses of Weyl fermions.

Strongly interacting quantum many-body states can be mapped to noninteracting quantum states, enabling a new quantum neural network called the Fermi machine to solve strongly correlated electron problems.

Millimeter-sized single crystals of a trilayer cuprate superconductor (Hg,Re)Ba₂Ca₂Cu₃O_8+δ that exhibits the highest superconducting transition temperature under ambient pressure, were grown reproducibly and safely.

A novel convolutional neural network predicts phase transition temperatures from spin configurations without prior information about order parameters, paving the way for the discovery of new materials in condensed matter physics.

The correspondence principle states that as quantum numbers approach infinity, the nature of a system described by quantum mechanics should match that described by classical mechanics. Quantum phenomena, such as quantum superposition and quantum correlation, generally become unobservable when a system approaches this regime. Conversely, as quantum numbers decrease, classical descriptions give way to observable quantum effects. The external approach to classical–quantum crossover has attracted research interest. This study aims to demonstrate a method for achieving such control in materials.

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.

Researchers review the recent advancements made towards solving the mysteries of the unconventional superconductivity of Sr₂RuO₄, analyzing recent experiments and theoretical models and proposing approaches to resolve current challenges.

A new study has discovered pressure-induced superconductivity in the helimagnet CrAs, originating in the vicinity of the helimagnetic ordering, representing the first example of superconductivity in Cr-based magnetic systems.

In the magnetic skyrmion lattice of non-centrosymmetric EuNiGe₃, the original magnetic helicity, determined by the antisymmetric exchange interaction, is reversed, resulting in a unified helicity.

It is true that having a good friend around makes life better, and this idea is also true in the quantum world.

An investigation using high-quality NbMnP crystals demonstrates that the anomalous Hall conductivity arising from antiferromagnetism is dissipationless, as expected from the intrinsic mechanism.

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.

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.

This study reviews the recent advancements in research of multipole representations for understanding electronic orderings and cross-correlations in materials and presents future research directions.

Using first-principles calculations, we evaluated the exchange stiffness constants of ferromagnetic metals at finite temperatures. The constants can be used as parameters in the Landau–Lifshitz–Gilbert equation.

The multilayered nickelates, La₃Ni₂O₇ and La₄Ni₃O₁₀ , were investigated using nuclear magnetic resonance (NMR) at ambient pressure. Metallic electronic states under the density wave order were observed microscopically for both compounds.