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Non-singular cosmology in a model of non-relativistic gravity
Cai YF(蔡一夫); Cai, YF; Saridakis, EN
2009
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
期号10页码:20
通讯作者[Cai, Yi-Fu] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Saridakis, Emmanuel N.] Univ Athens, Dept Phys, GR-15771 Athens, Greece
文章类型Article
摘要We present a model of non-relativistic gravitational theory which is power-counting renormalizable in 3+1 dimensional spacetime. When applied to cosmology, the relativity-violation terms lead to a dark radiation component, which can give rise to a bounce if dark radiation possesses negative energy density. Additionally, we investigate a cyclic extension of the non-singular cosmology in which the universe undergoes contractions and expansions periodically. In both scenarios the background theory is well defined at the quantum level.
关键词modified gravity quantum gravity phenomenology
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1088/1475-7516/2009/10/020
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000272271800020
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被引频次:72[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240366
专题理论物理室
作者单位中国科学院高能物理研究所
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GB/T 7714
Cai YF,Cai, YF,Saridakis, EN. Non-singular cosmology in a model of non-relativistic gravity[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2009(10):20.
APA 蔡一夫,Cai, YF,&Saridakis, EN.(2009).Non-singular cosmology in a model of non-relativistic gravity.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(10),20.
MLA 蔡一夫,et al."Non-singular cosmology in a model of non-relativistic gravity".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .10(2009):20.
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