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

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.

Electron states in condensed matter

Electronic structure and electrical properties of surfaces and nanostructures

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.

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

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.

Measurement, instrumentation, and techniques

Structure and mechanical and thermal properties in condensed matter

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.

Electron states in condensed matter

Measurement, instrumentation, and techniques

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.