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Breakdown of self-similar evolution in homogeneous perfect fluid collapse
http://hdl.handle.net/2237/8842
6ba468e8-81f7-48c0-8d56-d2ba14a5a12f
名前 / ファイル | ライセンス | アクション | |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-10-15 | |||||
タイトル | ||||||
タイトル | Breakdown of self-similar evolution in homogeneous perfect fluid collapse | |||||
著者 |
Mitsuda, Eiji
× Mitsuda, Eiji× Tomimatsu, Akira |
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権利 | ||||||
権利情報 | Copyright: American Physical Society, All rights reserved. | |||||
抄録 | ||||||
内容記述 | The stability analysis of self-similar solutions is an important approach to confirm whether they act as an attractor in general non-self-similar gravitational collapse. Assuming that the collapsing matter is a perfect fluid with the equation of state P=αρ, we study spherically symmetric non-self-similar perturbations in homogeneous self-similar collapse described by the flat Friedmann solution. In the low pressure approximation α≪1, we analytically derive an infinite set of the normal modes and their growth (or decay) rate. The existence of one unstable normal mode is found to conclude that the self-similar behavior in homogeneous collapse of a sufficiently low pressure perfect fluid must terminate and a certain inhomogeneous density profile can develop with the lapse of time. | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
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 | |||||
DOI | ||||||
関連識別子 | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.1103/PhysRevD.74.104019 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1550-7998 | |||||
書誌情報 |
PHYSICAL REVIEW D 巻 74, 号 10, p. 104019-104019, 発行日 2006-11 |
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application/pdf | ||||||
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値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/8842 | |||||
識別子タイプ | HDL |