Relativistic Equation of State of Nuclear Matter for Supernova Explosion : Neuclear Physics
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概要
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We construct the equation of state (EOS) of nuclear matter at finite temperature and density with various proton fractions within the relativistic mean field (RMF) theory for use in supernova simulations. We consider nuclei, alpha-particles, protons and neutrons in equilibrium at densities smaller than about ρ_B 〜 10^<14.2> g/cm^3 by minimizing the free energy of the nuclear matter. The calculation is based on the RMF theory with the parameter set TM1, which has been demonstrated to provide good accounts of the ground state and excited state properties of finite nuclei. We tabulate the outcome for various densities in terms of the pressure, free energy, entropy, etc. at a sufficiently large number of mesh points in the density range ρ_B = 10^<5.1> 〜 10^<15.4> g/cm^3, the temperature range T = 0 〜 100 MeV and the proton fraction range Y_p = 0 〜 0.56 to be used for supernova simlations.
- 1998-11-25
著者
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Oyamatsu Kazuhiro
The Institute Of Physical And Chemical Research (riken) : Department Of Energy Engineering And Scien
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Toki Hiroshi
Research Center For Nuclear Physics (rcnp) Osaka University
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SUMIYOSHI Kohsuke
The Institute of Physical and Chemical Research (RIKEN)
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Shen Hong
Research Center For Nuclear Physics (rcnp) Osaka University : Department Of Physics Nankai Universit
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Sumiyoshi K
Numazu College Of Technology
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Toki Hiroshi
Research Center For Nuclear Physical Osaka University
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Toki Hiroshi
Research Center For Nuclear Physics (rcnp) Osaka University : The Institute Of Physical And Chemical
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