Variational calculation for the equation of state of hot asymmetric nuclear matter

Hajime Togashi; Hiroaki Kanzawa; Masatoshi Takano

doi:10.1063/1.3485181

Variational calculation for the equation of state of hot asymmetric nuclear matter

Hajime Togashi, Hiroaki Kanzawa, Masatoshi Takano

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We calculate the equation of state (EOS) of asymmetric nuclear matter at finite temperatures with the cluster variational method based on the realistic nuclear Hamiltonian composed of the AV18 and UIX nuclear potentials. The free energy is calculated with an extension of the variational method proposed by Schmidt and Pandharipande. The obtained thermodynamic quantities such as entropy, internal energy, pressure and chemical potential derived from the free energy are reasonable. It is also found that the present variational calculation is self-consistent. These thermodynamic quantities are essential ingredients in our project for constructing a new nuclear EOS applicable to supernova simulations.

Original language	English
Title of host publication	10th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG10
Pages	403-405
Number of pages	3
Volume	1269
DOIs	https://doi.org/10.1063/1.3485181
Publication status	Published - 2010
Event	10th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG10 - Osaka Duration: 2010 Mar 8 → 2010 Mar 10

Other

Other	10th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG10
City	Osaka
Period	10/3/8 → 10/3/10

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Keywords

Nuclear EOS
Nuclear matter
Supernovae
Variational method

ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Togashi, H., Kanzawa, H., & Takano, M. (2010). Variational calculation for the equation of state of hot asymmetric nuclear matter. In 10th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG10 (Vol. 1269, pp. 403-405) https://doi.org/10.1063/1.3485181

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abstract = "We calculate the equation of state (EOS) of asymmetric nuclear matter at finite temperatures with the cluster variational method based on the realistic nuclear Hamiltonian composed of the AV18 and UIX nuclear potentials. The free energy is calculated with an extension of the variational method proposed by Schmidt and Pandharipande. The obtained thermodynamic quantities such as entropy, internal energy, pressure and chemical potential derived from the free energy are reasonable. It is also found that the present variational calculation is self-consistent. These thermodynamic quantities are essential ingredients in our project for constructing a new nuclear EOS applicable to supernova simulations.",

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AB - We calculate the equation of state (EOS) of asymmetric nuclear matter at finite temperatures with the cluster variational method based on the realistic nuclear Hamiltonian composed of the AV18 and UIX nuclear potentials. The free energy is calculated with an extension of the variational method proposed by Schmidt and Pandharipande. The obtained thermodynamic quantities such as entropy, internal energy, pressure and chemical potential derived from the free energy are reasonable. It is also found that the present variational calculation is self-consistent. These thermodynamic quantities are essential ingredients in our project for constructing a new nuclear EOS applicable to supernova simulations.

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KW - Supernovae

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Access to Document

10.1063/1.3485181