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  1. B100 理学部/理学研究科
  2. B100a 雑誌掲載論文
  3. 学術雑誌

Searching for dynamical black holes in various theories of gravity

http://hdl.handle.net/2237/0002001531
http://hdl.handle.net/2237/0002001531
397d975d-1a53-4279-978a-cddb55eae759
名前 / ファイル ライセンス アクション
PhysRevD_103_044055.pdf PhysRevD_103_044055.pdf (357 KB)
Item type itemtype_ver1(1)
公開日 2021-10-18
タイトル
タイトル Searching for dynamical black holes in various theories of gravity
言語 en
著者 Nojiri, Shin’ichi

× Nojiri, Shin’ichi

en Nojiri, Shin’ichi

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Odintsov, Sergei D.

× Odintsov, Sergei D.

en Odintsov, Sergei D.

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Faraoni, Valerio

× Faraoni, Valerio

en Faraoni, Valerio

Search repository
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
言語 en
権利情報 © 2021 American Physical Society
内容記述
内容記述 We construct models of Einstein and f(R) gravity with two scalar fields, which admit analytical solutions describing time-varying dynamical black holes. Their thermodynamics is investigated in the adiabatic approximation. In addition to the Misner-Sharp-Hernandez quasilocal mass, we provide time-dependent thermodynamical quantities, including the Hawking temperature, Helmholtz free energy, entropy, and thermodynamical energy. The latter does not always coincide with the Misner-Sharp-Hernandez mass at the horizon, although they coincide in the static limit. For Schwarzschild-type (i.e., gttgrr=−1) black holes in Einstein gravity, one of the two scalars is always a ghost with negative kinetic energy. We show that this ghost can be avoided in f(R) gravity.
言語 en
内容記述タイプ Abstract
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resource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1103/PhysRevD.103.044055
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 2470-0010
書誌情報 en : Physical Review D

巻 103, 号 4, p. 044055, 発行日 2021-02-15
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