Measure on a subspace of FRW solutions and "the flatness problem"of standardcosmology

淡江大學機構典藏 > 理學院 > 物理學系暨研究所 > 期刊論文 > Item 987654321/27814

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题名:	Measure on a subspace of FRW solutions and "the flatness problem"of standardcosmology
作者:	Cho, H. T.;Kantowski, R.
贡献者:	淡江大學物理學系
日期:	1994-11
上传时间:	2013-07-09 15:12:30 (UTC+8)
出版者:	College Park: American Physical Society
摘要:	We use the metric on the space of gravity fields given by DeWitt to construct a unique kinematic measure on the space of FRW simple fluids and show that when the mass parameter $\Omega$ is used as a coordinate this measure is singular at $\Omega = 1$. This singularity, combined with the time evolution of $\Omega$, distorts distributions of $\Omega$ values to be concentrated in the neighborhood of 1 at early times. It is a distorted distribution of $\Omega$ values that sometimes misleads the casual observer to conclude that $\Omega$ must be exactly equal to 1.
關聯:	Physical Review D (Particles and Fields) 50(10), pp.6144-6149
DOI:	10.1103/PhysRevD.50.6144
显示于类别:	[物理學系暨研究所] 期刊論文

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