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题名: Mass-varying massive gravity
作者: Huang, QG ;  Piao, YS ;  Zhou, SY
刊名: PHYSICAL REVIEW D
出版日期: 2012
卷号: 86, 期号:12, 页码:124014
关键词: FIELD
学科分类: Physics
通讯作者: Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
部门归属: [Huang, Qing-Guo] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Piao, Yun-Song] Chinese Acad Sci, Grad Univ, Coll Phys Sci, Beijing 100049, Peoples R China; [Zhou, Shuang-Yong] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England
英文摘要: It has recently been shown that the graviton can consistently gain a constant mass without introducing the Boulware-Deser ghost. We propose a gravity model where the graviton mass is set by a scalar field and prove that this model is free of the Boulware-Deser ghost by analyzing its constraint system and showing that two constraints arise. We also initiate the study of the model's cosmic background evolution and tentatively discuss possible cosmological implications of this model. In particular, we consider a simple scenario where the scalar field setting the graviton mass is identified with the inflaton and the graviton mass evolves from a high to a low energy scale, giving rise to the current cosmic acceleration.
资助者: Chinese Academy of Sciences; NSFC [10975167, 11075205]; GUCAS [055101BM03]; National Basic Research Program of China [2010CB832804]; Institute of Theoretical Physics (CAS, Beijing)
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000311928000011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14959
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Huang, QG,Piao, YS,Zhou, SY. Mass-varying massive gravity[J]. PHYSICAL REVIEW D,2012,86(12):124014.
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