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An accelerating universe emergent from the landscape
She, Jian-Huang; She, JH , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
2007
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号2页码:-
摘要We propose that the existence of the string landscape suggests that the universe can be in a quantum glass state, where an extremely large viscosity is generated, and long distance dynamics slows down. At the same time, the short distance dynamics is not altered due to the separation of timescales. This scenario can help us to understand some controversies in cosmology, for example the natural existence of slow roll inflation and dark energy in the landscape, the apparent smallness of the cosmological constant. We see also that moduli stabilization is no longer necessary. We further identify the glass transition point, where the viscosity diverges, as the location of the cosmic horizon. We try to reconstruct the geometry of the accelerating universe from the structure of the landscape, and find that the metric should have an infinite jump when crossing the horizon. We predict the static coordinate metric for de Sitter space to break down outside the horizon.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Cosmological Constant Liquids Compactification Neutralization Supernovae
学科领域Physics
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收录类别SCI
WOS记录号WOS:000245928000011
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5796
专题理论物理所SCI论文
通讯作者She, JH , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
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She, Jian-Huang,She, JH , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China. An accelerating universe emergent from the landscape[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2007(2):-.
APA She, Jian-Huang,&She, JH , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.(2007).An accelerating universe emergent from the landscape.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(2),-.
MLA She, Jian-Huang,et al."An accelerating universe emergent from the landscape".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .2(2007):-.
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