Nuclear many-body approach for supernova EOS

Thomas-fermi calculations of non-uniform nuclear matter

Hiroaki Kanzawa, Kazuhiro Oyamatsu, Kohsuke Sumiyoshi, Masatoshi Takano

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    An equation of state (EOS) for uniform nuclear matter is constructed at zero and finite temperatures with the variational method starting from the realistic nuclear Hamiltonian composed of the AV18 two-body potential and the UIX three-body potential. The maximum mass of the cold neutron star with this EOS is 2.2 M . Making use of uncertainty of the three-body nuclear force, adjustable parameters in the EOS are tuned so that the Thomas-Fermi calculations for β-stable nuclei reproduce the empirical data. The obtained EOS is appropriate for constructing a new nuclear EOS table for supernova simulations.

    Original languageEnglish
    Title of host publicationProceedings of Science
    Publication statusPublished - 2008
    Event10th Symposium on Nuclei in the Cosmos, NIC 2008 - Mackinac Island, MI, United States
    Duration: 2008 Jul 272008 Aug 1

    Other

    Other10th Symposium on Nuclei in the Cosmos, NIC 2008
    CountryUnited States
    CityMackinac Island, MI
    Period08/7/2708/8/1

    Fingerprint

    supernovae
    equations of state
    cold neutrons
    neutron stars
    nuclei
    simulation
    temperature

    ASJC Scopus subject areas

    • General

    Cite this

    Kanzawa, H., Oyamatsu, K., Sumiyoshi, K., & Takano, M. (2008). Nuclear many-body approach for supernova EOS: Thomas-fermi calculations of non-uniform nuclear matter. In Proceedings of Science

    Nuclear many-body approach for supernova EOS : Thomas-fermi calculations of non-uniform nuclear matter. / Kanzawa, Hiroaki; Oyamatsu, Kazuhiro; Sumiyoshi, Kohsuke; Takano, Masatoshi.

    Proceedings of Science. 2008.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Kanzawa, H, Oyamatsu, K, Sumiyoshi, K & Takano, M 2008, Nuclear many-body approach for supernova EOS: Thomas-fermi calculations of non-uniform nuclear matter. in Proceedings of Science. 10th Symposium on Nuclei in the Cosmos, NIC 2008, Mackinac Island, MI, United States, 08/7/27.
    Kanzawa, Hiroaki ; Oyamatsu, Kazuhiro ; Sumiyoshi, Kohsuke ; Takano, Masatoshi. / Nuclear many-body approach for supernova EOS : Thomas-fermi calculations of non-uniform nuclear matter. Proceedings of Science. 2008.
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    abstract = "An equation of state (EOS) for uniform nuclear matter is constructed at zero and finite temperatures with the variational method starting from the realistic nuclear Hamiltonian composed of the AV18 two-body potential and the UIX three-body potential. The maximum mass of the cold neutron star with this EOS is 2.2 M ⊙. Making use of uncertainty of the three-body nuclear force, adjustable parameters in the EOS are tuned so that the Thomas-Fermi calculations for β-stable nuclei reproduce the empirical data. The obtained EOS is appropriate for constructing a new nuclear EOS table for supernova simulations.",
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    AU - Sumiyoshi, Kohsuke

    AU - Takano, Masatoshi

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