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Generalized thermodynamic constraints on holographic-principle-based cosmological scenarios
https://doi.org/10.24517/00053796
https://doi.org/10.24517/00053796c62e28b4-e4ba-4999-96db-9ee1412f23a7
名前 / ファイル | ライセンス | アクション |
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TE-PR-KOMATSU-N-043523.pdf (266.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-04-01 | |||||
タイトル | ||||||
タイトル | Generalized thermodynamic constraints on holographic-principle-based cosmological scenarios | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
ID登録 | ||||||
ID登録 | 10.24517/00053796 | |||||
ID登録タイプ | JaLC | |||||
著者 |
Komatsu, Nobuyoshi
× Komatsu, Nobuyoshi |
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著者別表示 |
小松, 信義
× 小松, 信義 |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理工研究域機械工学系 | |||||
書誌情報 |
Physical Review D 巻 99, 号 4, p. 043523, 発行日 2019-02-15 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2470-0010 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00773624 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1103/PhysRevD.99.043523 | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The holographic principle can lead to cosmological scenarios, i.e., holographic equipartition models. In this model, an extra driving term (corresponding to a time-varying cosmological term) in cosmological equations depends on an associated entropy on the horizon of the Universe. The driving term is expected to be constrained by the second law of thermodynamics, as if the cosmological constant problem could be discussed from a thermodynamics viewpoint. In the present study, an arbitrary entropy on the horizon, SH, is assumed, extending a previous analysis based on particular entropies [Phys. Rev. D 96, 103507 (2017)]. The arbitrary entropy is applied to the holographic equipartition model, in order to universally examine thermodynamic constraints on the driving term in a flat Friedmann-Robertson-Walker universe at late times. The second law of thermodynamics for the holographic equipartition model is found to constrain the upper limit of the driving term, even if the arbitrary entropy is assumed. The upper limit implies that the order of the driving term is likely consistent with the order of the cosmological constant measured by observations. An approximately equivalent upper limit can be obtained from the positivity of SH in the holographic equipartition model. |
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内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Japan Society for the Promotion of Science | |||||
権利 | ||||||
権利情報 | Copyright © 2019 American Physical Society | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |