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Future evolution and finite-time singularities in F(R) gravity unifying inflation and cosmic acceleration
http://hdl.handle.net/2237/11279
http://hdl.handle.net/2237/1127930a4c5f9-8d5e-486c-8a80-d8a4c91a62e5
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
PhysRevD_78_046006.pdf (219.5 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2009-03-09 | |||||
| タイトル | ||||||
| タイトル | Future evolution and finite-time singularities in F(R) gravity unifying inflation and cosmic acceleration | |||||
| 言語 | en | |||||
| 著者 |
Nojiri, Shin'ichi
× Nojiri, Shin'ichi× Odintsov, Sergei D. |
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| 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 | American Physical Society, All rights reserved. | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | We study the future evolution of quintessence/phantom-dominated epoch in modified F(R) gravity which unifies the early-time inflation with late-time acceleration and which is consistent with observational tests. Using the reconstruction technique it is demonstrated that there are models where any known (big rip, II, III, or IV type) singularity may classically occur. From another side, in Einstein frame (scalartensor description) only IV type singularity occurs. Near the singularity the classical description breaks up, and it is demonstrated that quantum effects act against the singularity and may prevent its appearance. The realistic F(R) gravity which is future singularity free is proposed. We point out that additional modification of any F(R) gravity by the terms relevant at the early universe is possible, in such a way that future singularity does not occur even classically. | |||||
| 言語 | en | |||||
| 出版者 | ||||||
| 出版者 | American Physical Society | |||||
| 言語 | en | |||||
| 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.78.046006 | |||||
| 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 78, 号 4, p. 046006-046006, 発行日 2008-08 |
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| フォーマット | ||||||
| 値 | application/pdf | |||||
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| 値 | publisher | |||||
| URI | ||||||
| 識別子 | http://hdl.handle.net/2237/11279 | |||||
| 識別子タイプ | HDL | |||||
