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  1. 学術雑誌論文
  2. その他
  1. 部局別インデックス
  2. 理学部

Evolution of bare quark stars in full general relativity : Single star case

http://hdl.handle.net/20.500.12000/49930
http://hdl.handle.net/20.500.12000/49930
819dda2c-a640-46b2-91dd-70da66e9cadf
名前 / ファイル ライセンス アクション
PhysRevD.103.123011.pdf PhysRevD.103.123011.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2021-10-27
タイトル
タイトル Evolution of bare quark stars in full general relativity : Single star case
言語 en
作成者 Zhou, Enping

× Zhou, Enping

en Zhou, Enping

Kiuchi, Kenta

× Kiuchi, Kenta

en Kiuchi, Kenta

Shibata, Masaru

× Shibata, Masaru

en Shibata, Masaru

Tsokaros, Antonios

× Tsokaros, Antonios

en Tsokaros, Antonios

Uryu^^-, Ko^^-ji

× Uryu^^-, Ko^^-ji

en Uryu^^-, Ko^^-ji

Uryū, Kōji

× Uryū, Kōji

ja Uryū, Kōji

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
言語 ja
権利情報 ©2021 American Physical Society
内容記述
内容記述タイプ Other
内容記述 We introduce our approaches, in particular, the modifications of the primitive recovery procedure, to handle bare quark stars in numerical relativity simulations. Reliability and convergence of our implementation are demonstrated by evolving two triaxially rotating quark star models with different mass as well as a differentially rotating quark star model which has sufficiently large kinetic energy to be dynamically unstable. These simulations allow us to verify that our method is capable of resolving the evolution of the discontinuous surface of quark stars and possible mass ejection from them. The evolution of the triaxial deformation and the properties of the gravitational-wave emission from triaxially rotating quark stars are also studied, together with the mass ejection of the differentially rotating case. We find that supramassive quark stars are not likely to be ideal sources of a continuous gravitational wave as the star recovers axisymmetry much faster than models with smaller mass and gravitational-wave amplitude decays rapidly in a timescale of 10 ms, although the instantaneous amplitude from more massive models is larger. As with the differentially rotating case, our result confirms that quark stars could experience nonaxisymmetric instabilities similar to the neutron star case but with a quite small degree of differential rotation, which is expected according to previous initial-data studies.
内容記述タイプ Other
内容記述 論文
出版者
言語 en
出版者 American Physical Society
言語
言語 eng
資源タイプ
資源タイプ journal article
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/49930
識別子タイプ HDL
関連情報
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1103/PhysRevD.103.123011
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1103/PhysRevD.103.123011
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 2470-0010
収録物識別子タイプ ISSN
収録物識別子 2470-0029
収録物名
言語 en
収録物名 Physical Review D
書誌情報
巻 103, 号 12, 発行日 2021-06-08
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