The papers published in JPSJ should treat fundamental and novel problems of physics scientifically and logically, and contribute to the development in the understanding of physics. The concrete objects are listed below.Subjects CoveredJPSJ covers all the fields of physics including (but not restricted to)Elementary particles and fieldsNuclear physicsAtomic and Molecular PhysicsFluid DynamicsPlasma physicsPhysics of Condensed MatterMetal, Superconductor, Semiconductor, Magnetic Materials, Dielectric MaterialsPhysics of Nanoscale MaterialsOptics and Quantum ElectronicsPhysics of Complex SystemsMathematical PhysicsChemical physicsBiophysicsGeophysicsAstrophysics.