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  1. 010 学術雑誌論文
  2. 池内, 了 / IKEUCHI, Satoru

Nonlinear Growth of Density Contrast and Formation of Galaxies in a Neutrino-Dominated Universe

https://ir.soken.ac.jp/records/4251
https://ir.soken.ac.jp/records/4251
eef31539-b25a-4348-95f0-a2cf2324f90c
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-02-18
タイトル
タイトル Nonlinear Growth of Density Contrast and Formation of Galaxies in a Neutrino-Dominated Universe
タイトル
言語 en
タイトル Nonlinear Growth of Density Contrast and Formation of Galaxies in a Neutrino-Dominated Universe
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
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 IKEUCHI, Satoru

× IKEUCHI, Satoru

WEKO 734

IKEUCHI, Satoru

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UMEMURA, Masayuki

× UMEMURA, Masayuki

WEKO 737

UMEMURA, Masayuki

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著者別名 池内, 了

× 池内, 了

WEKO 738
NRID 1000090025461
e-Rad 90025461

池内, 了

Search repository
抄録
内容記述タイプ Abstract
内容記述 The growth of density contrasts of collisionless particles and nucleonic matter is pursued from the decoupling era up to the present in the Newtonian mechanics. The negative density perturbation of collisionles particles grows quickly to the void and surrounding ridge. Meanwhile, the shell-crossing occurs. The nucleonic matter, which is set uniformly at the decoupling epoch, is enforced to concentrate into the ridge by the gravitational force at this shell-crossing epoch. At the same time, the temperature of nucleonic matter increases rapidly due to the dissipation of kinetic energy by the pressure force. The dependence of results upon the amplitude of the initial density perturbation is made clear. If the galaxies were formed after the shell-crossing, the initial amplitude of density perturbation of collisionless particles must be higher than 0.03 in the Einstein-de Sitter universe. Through the analysis of gravitational instability of ridges, a possible scenario for the formation of the large-scale structure of the universe within the adiabatic theory is presented.
書誌情報 Progress of Theoretical Physics
en : Progress of Theoretical Physics

巻 72, 号 2, p. 216-232, 発行日 1984
出版者
出版者 Oxford University Press
ISSN
収録物識別子タイプ ISSN
収録物識別子 0033-068X
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1143/PTP.72.216
関連名称 10.1143/PTP.72.216
権利
権利情報 © 2014 The Physical Society of Japan
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