■Preface
Matter and Materials, Basic and Applied
Hidetoshi Fukuyama......601

■Artificial Intelligence and Physics
Variational Algorithms on a Quantum Computer and Their Applications for Machine Learning
Kosuke Mitarai and Keisuke Fujii......604

■Reviews
Nano-Scale Atomic Structures Appeared in Liquids ― Atomic Dynamics Studies by Inelastic X-ray Scattering
Shinya Hosokawa and Masanori Inui......612

■Researches
Atomic Motion in Liquid ― Properties of Covalent Liquid under High Pressure Conditions
Satoshi Ohmura, Fuyuki Shimojo, and Taku Tsuchiya......621

Diffusion in Cells or Biomembranes ― Diffusion Enhancement and Drift Induced by Hydrodynamical Collective Effect
Yuki Koyano, Hiroyuki Kitahata, and Alexander S. Mikhailov......627

Plaquette Singlet State of the Orthogonal Dimer System ― Observation by High Pressure ESR Measurement in THz Region
Takahiro Sakurai, Keigo Hijii, and Hitoshi Ohta......633

Half Integer Thermal Quantum Hall Effect in a Quantum Spin Liquid: Majorana Fermion and Non-Abelian Anyon
Yuichi Kasahara, Yuta Mizukami, Takasada Shibauchi, and Yuji Matsuda......639

■Experimental Developments
Determination of the Complex Permittivity by Soft X-ray Magneto-Optical Effect Using Polarization Modulation
Yuya Kubota, Hisazumi Akai, Yasuyuki Hirata, and Iwao Matsuda......646

■JPSJ Selected Papers in the Latest Issue......652

■The Path to History......655

■Artificial Intelligence and Physics......659

■Forum......661

■Obituary......663

■Book Reviews......664