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Papers

Condensed Matter and Statistical Physics

• Theory of Phase Transitions in Solid Methanes. IV
  --- Upper Transition Temperatures in Solid CH₃D and CHD₃ and Solid Solution of CH₄ and CD₄ ---
  ( Hideo Yasuda, Tsunenobu Yamamoto and Yosuke Kataoka )
  pp.859-879
• Fermi-Liquid Theory of Linear Antiferromagnetic Chains
  ( Tomoji Yamada )
  pp.880-890
• Ultrasonic Attenuation in Magnetics at Low Temperatures
  ( Kensuke Tani )
  pp.891-901
• Motion of the Vortex Lattice in a Pure Type II Superconductor
  ( Kazumi Maki )
  pp.902-918
• Energy Spectrum of the Excitations in Liquid Helium II
  ( Sigenobu Sunakawa, Shuichiro Yamasaki and Takeji Kebukawa )
  pp.919-940
• Dynamics of the Ising Model near the Transition Point. II
  ( Ryuzo Abe and Akira Hatano )
  pp.941-948
• Thermodynamical Functions of a Dilute Hard-Sphere Bose Gas
  ( Shokichi Kanno )
  pp.949-965
• A Method of a Quasi-Linear Canonical Transformation for the Many-Body Problem. I
  ( Shokichi Kanno )
  pp.966-995

Nuclear Physics

• Electron Spin Density and Internal Conversion Process
  ( Masato Morita, Kenzo Sugimoto, Masami Yamada and Yoshimatsu Yokoo )
  pp.996-1003

Astrophysics and Relativity

• Propagation of Shock Waves in Inhomogeneous Gases. VII
  --- Time Development of Gas Shock ---
  ( Yôrô Ôno, Toshihisa Ishizuka and Tadashi Taira )
  pp.1004-1020
• Hydrodynamical Behaviour of Gas Spheres with Masses of 10⁴ M_\odot to 10²⁰ M_\odot
  ( Takuya Matsuda and Humitaka Sat\=o )
  pp.1021-1040

Particles and Fields

• Branch Cut Contributions to Backward Unequal-Mass Scattering Processes
  ( Takashi Obara )
  pp.1041-1045
• Dynamical Implication of the π N P₁₁ Data
  ( Kisei Kinoshita )
  pp.1046-1056
• Sum Rules Based on Khuri Amplitudes and Degeneracy of Regge Trajectories
  ( Toshiharu Kawai and Takesi Saito )
  pp.1057-1063
• A Diagonalization Method of a Hamiltonian in Second-Quantization. I
  ( Raoelina Andriambololona )
  pp.1064-1080
• Derivatives of Baryon Trajectories at W = 0
  ( Gaku Konisi and Takesi Saito )
  pp.1081-1093
• Unequal-Mass Conspiracy for Arbitrary Spins
  ( Noboru Nakanishi and Noriaki Seto )
  pp.1094-1108
• O(4) Symmetry and Relativistic Composite Model
  ( Hitoshi Ito )
  pp.1109-1117

Letters

• A Variational Consideration in Analogue Resonances
  ( Yasuhiko Futami )
  pp.1118-1119
• A Spin-Wave Theory of a Dilute Heisenberg Ferromagnet
  ( Takahito Kaneyoshi )
  pp.1119-1121
• Proton Dynamics and Ultrasonic Attenuation of KDP-Type Ferroelectrics
  ( Shiro Isa and Kyozi Kawasaki )
  pp.1121-1122

Errata

• Magnetic Moments of Nucleons in Strong Coupling Meson Theory
  ( Masami Wakano )
  pp.1122-1122

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