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题名: A stochastic measure for eternal inflation
作者: Li, Miao ;  Wang, Yi
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2007
期号: 8, 页码:-
关键词: ANGULAR POWER SPECTRUM ;  COSMOLOGICAL PARAMETERS ;  UNIVERSE SCENARIO ;  FLUCTUATIONS ;  ANISOTROPY ;  DYNAMICS ;  PERTURBATIONS ;  SINGULARITY ;  RADIATION ;  FLATNESS
学科分类: Physics
通讯作者: Li, M , USTC, Interdisciplinary Ctr Theoret Study China, Hefei 230027, Anhui, Peoples R China
部门归属: USTC, Interdisciplinary Ctr Theoret Study China, Hefei 230027, Anhui, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We use the stochastic approach to investigate a measure for slow roll eternal inflation. The probability for the universe to have a given Hubble radius can be calculated in this framework. In a solvable model, it is shown that the probability for the universe to evolve from a state with a smaller Hubble radius to one with a larger Hubble radius is dominated by the classical probability without the stochastic source, while the probability for the universe to evolve from a state with a larger Hubble radius to one with a smaller one is suppressed by exp(-Delta S), where the de Sitter entropy S arises naturally in this stochastic approach.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000249222000018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5686
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Li, Miao,Wang, Yi. A stochastic measure for eternal inflation[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2007(8):-.
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