A Chiral Symmetric Relativistic Mean Field Model with a Logarithmic sigma Potential(Nuclear Physics)

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概要

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• We develop a chiral symmetric relativistic mean field model with a logarithmic sigma potential derived in the strong coupling limit of lattice QCD. We find that both nuclear matter and finite nuclei are accurately described by the present model. The normal vacuum is found to be globally stable at zero and finite baryon densities, and an equation of state with moderate stiffness (K[〜!-]280 MeV) is obtained. The binding energies and charge radii of Z closed even-even nuclei are accurately predicted over a wide mass range from C to Pb isotopes, except for underestimates of the binding energies for several jj closed nuclei.

• 2007-05-25

著者

• 大西 明

  京都大学基礎物理学研究所

• OHNISHI Akira

  Department of Physics, Kyoto University

• OHNISHI Akira

  Division of Physics, Graduate School of Science, Hokkaido University

• TSUBAKIHARA Kohsuke

  Department of Physics, Faculty of Science, Hokkaido University

• Tsubakihara Kohsuke

  Department Of Physics Faculty Of Science Hokkaido University

• Ohnishi Akira

  Yukawa Institute For Theoretical Physics Kyoto University

• Ohnishi Akira

  Department Of Molecular Chemistry Graduate School Of Engineering Hokkaido University

• Ohnishi Akira

  Kyoto Univ. Kyoto Jpn

• OHNISHI Akira

  Yukawa Institute for Theoretical Physics, Kyoto University:Department of Physics, Faculty of Science, Hokkaido University

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