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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

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
PhysRevD_74-104019.pdf PhysRevD_74-104019.pdf (153.6 kB)
Item type 学術雑誌論文 / Journal Article(1)
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

WEKO 19391

Mitsuda, Eiji

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Tomimatsu, Akira

× Tomimatsu, Akira

WEKO 19392

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
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/8842
識別子タイプ HDL
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