Pion Condensation and Magnetism in Neutron Stars(Nuclear Physics)

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概要

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• The linear σ model (LσM) suggests that the nuclear matter exhibits a phase transition to a pion-condensed ferromagnetic state at a few times the normal nuclear matter density. Extending the naive LσM so as to reproduce the known bulk properties of nuclear matter around saturation, the equation of state of neutron star matter is constructed and used as an input for solving the Tolman-Oppenheimer-Volkoff equation. It is found that there exist gravitationally stable solutions to this equation. These solutions can model neutron stars with a maximal dipole magnetic field of O(10^14-10^15 G).

• 理論物理学刊行会の論文
• 2002-10-25

著者

• TAKAHASHI Koichi

  Department of Biology, McGill University

• TAKAHASHI Keitaro

  Department of Physics, School of Science, University of Tokyo

• Takahashi Kazuyoshi

  Yukawa Institute For Theoretical Physics Kyoto University

• Takahashi K

  Tohoku Gakuin Univ. Sendai Jpn

• Takahashi Keitaro

  Department Of Physics University Of Tokyo

• Takahashi K

  Department Of Energy & Safety Engineering Yokohama National University

• Takahashi Koichi

  Department Of Biology Faculty Of Science Shinshu University

• TAKAHASHI Koichi

  Department of Liberal Arts, Tohoku Gakuin University

• TAKAHASHI Koichi

  Physics Department, Faculty of Science Tohoku University

• TAKAHASHI Koichi

  College of Liberal Arts, Tohoku Gakuin University

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