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Papers

• On the Energy Level Shifts of Atoms due to the Interaction between the Electron and the Electromagnetic Field
  ( Osamu Hara and Takasi Tokano )
  pp.103-112
• Theory of the Interaction of Elementary Particles. IV
  --- The Problem of Vacuum Polarization (2) ---
  ( Hiroomi Umezawa, Jiro Yukawa and Eiji Yamada )
  pp.113-120
• A Self-Consistent Subtraction Method in the Quantum Field Theory. II-2
  ( Hiroshi Fukuda, Yoneji Miyamoto and Sin-itirô Tomonaga )
  pp.121-129
• Radiation Reaction in Collision Process. III-2
  --- First Radiative Correction for an Arbitrary Process Including Electrons, Positrons, and Light Quanta ---
  ( Zirô Koba and Gyô Takeda )
  pp.130-141
• Pri la Teorio de Kolektivaj Elektronoj de Feromagnetismo
  ( Syôhei Miyahara )
  pp.142-150
• On the Relation between Heisenberg's Theory of Ferromagnetism and that of Slater
  ( Kei Yosida )
  pp.151-159
• A Note on the Theory of Ferromagnetism
  ( Haruo Shimazu )
  pp.160-164
• Pri la Kalkulado de Elektromagnetaj Fenomenoj per Kampo de Ne\uutraj Vektor-Mezonoj kun Neglektebla Maso
  ( F. J. Bflinfante )
  pp.165-170
• On the Thermal Reactions in Gas Phase. II
  ( Eizô Kanai )
  pp.171-180
• Theory of the F-centers of Coloured Alkali Halide Crystals. Part I
  --- Structure of F-Absorption Bands ---
  ( Toshinosuke Muto )
  pp.181-192
• On the Meson Theory of Nuclear Forces
  ( Gentaro Araki )
  pp.193-200
• The Propagation of Order in Crystal Lattices
  ( Haruo Shimazu )
  pp.201-208
• Note on the Formal Solution of the Tomonaga-Schwinger Equation
  ( Smio Tani )
  pp.209-217
• Reactive Corrections for the Elastic Scattering of an Electron
  ( Shinji Endô, Tôichirô Kinoshita and Zirô Koba )
  pp.218-229

Letters

• On the Nucleon Component in Cosmic Rays
  ( Y. Fujimoto and Y. Yamaguchi )
  pp.230-231
• Note on the Deuteron Problem of the Mixed Meson Theory of Pseudovector and Pseudoscalar Fields
  ( S. Hiroshi and H. Tanaka )
  pp.231-232
• Phenomenological Treatment on the Production of Cosmic-Ray Mesons
  ( S. Hayakawa and J. Nishimura )
  pp.232-233
• Cosmic-Ray Bursts under Thick Shields
  ( Y. Fujimoto, S. Hayakawa and Y. Yamaguchi )
  pp.233-235
• On the γ-Decay of Neutral Meson
  ( H. Fukuda and Y. Miyamoto )
  pp.235-236
• Note on the Interaction Representation in case of Meson Field interacting with Electromagnetic Field
  ( S. Kanesawa )
  pp.236-238
• On the Meson Pair Theory of Nuclear Forces in the Interaction Representation
  ( S. Kanesawa )
  pp.238-239
• On the Multiple Production of Mesons
  ( K. Sawada and S. Takagi )
  pp.239-240
• Note on the Relativistic Formulation of Belinfante's Transformation
  ( Y. Katayama and S. Takagi )
  pp.240-242

Errata

• Theory of the Interaction of Elementary Particles. IV
  ( Hiroomi Umezawa, Jirô Yukawa and Eiji Yamada )
  pp.242a-242a
• Effect of the C-Meson Field on the Anomalous Magnetic Moment of the Electron
  ( Z. Koba, Y. Nambu and S. Tani )
  pp.242b-242b

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