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Is noncommutative eternal inflation possible?
Cai, Yi-Fu; Wang, Yi; Cai, YF , Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
2007
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号6页码:-
摘要We investigate the condition for eternal inflation to take place in the noncommutative spacetime. We find that the possibility for eternal inflation's happening is greatly suppressed in this case. If eternal inflation cannot happen in the low energy region where the noncommutativity is very weak (the UV region), it will never happen during the whole inflationary history. Based on these conclusions, we argue that an initial condition for eternal inflation is available from the property of spacetime noncommutativity.
部门归属Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; USTC, Interdisciplinary Ctr Theoret Study China, Hefei 230027, Peoples R China
关键词Angular Power Spectrum Cosmological Parameters Universe Scenario D-brane Anisotropy Perturbations Radiation Dynamics Flatness Horizon
学科领域Physics
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收录类别SCI
WOS记录号WOS:000247924600008
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5731
专题理论物理所SCI论文
通讯作者Cai, YF , Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
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Cai, Yi-Fu,Wang, Yi,Cai, YF , Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China. Is noncommutative eternal inflation possible?[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2007(6):-.
APA Cai, Yi-Fu,Wang, Yi,&Cai, YF , Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.(2007).Is noncommutative eternal inflation possible?.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(6),-.
MLA Cai, Yi-Fu,et al."Is noncommutative eternal inflation possible?".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .6(2007):-.
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