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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

Dark energy cosmology from higher-order, string-inspired gravity, and its reconstruction

http://hdl.handle.net/2237/7142
http://hdl.handle.net/2237/7142
dede8f51-991c-41d4-b5a9-b5a1cb5a3aba
名前 / ファイル ライセンス アクション
PhysRevD_74_046004.pdf PhysRevD_74_046004.pdf (291.2 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2006-11-30
タイトル
タイトル Dark energy cosmology from higher-order, string-inspired gravity, and its reconstruction
言語 en
著者 Nojiri, Shin’ichi

× Nojiri, Shin’ichi

WEKO 14357

en Nojiri, Shin’ichi

Search repository
Odintsov, Sergei D.

× Odintsov, Sergei D.

WEKO 14358

en Odintsov, Sergei D.

Search repository
Sami, M.

× Sami, M.

WEKO 14359

en Sami, M.

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 Copyright: American Physical Society, All rights reserved.
抄録
内容記述 In this paper we investigate the cosmological effects of modified gravity with string curvature corrections added to the Einstein-Hilbert action in the presence of a dynamically evolving scalar field coupled to Riemann invariants. The scenario exhibits several features of cosmological interest for the late universe. We show that higher-order stringy corrections can lead to a class of dark energy models consistent with recent observations. The models can give rise to quintessence without recourse to a scalar field potential. The detailed treatment of the reconstruction program for general scalar-Gauss-Bonnet gravity is presented for any given cosmology. The explicit examples of reconstructed scalar potentials are given for an accelerated (quintessence, cosmological constant, or phantom) universe. Finally, the relation with modified F(G) gravity is established at the classical level and is extended to include third order terms on the curvature.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 The 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
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1103/PhysRevD.74.046004
ISSN
収録物識別子タイプ PISSN
収録物識別子 1550-7998
書誌情報 en : Physical Review D

巻 74, 号 4, p. 046004-046004, 発行日 2006-08-15
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/7142
識別子タイプ HDL
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