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Dynamical scalar degree of freedom in Horcava-Lifshitz gravity
Cai, Rong-Gen; Hu, Bin; Zhang, Hong-Bo; Cai, RG , Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
2009
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号80期号:4页码:-
摘要We investigate the linear cosmological perturbations of Horcava-Lifshitz gravity in a Friedmann-Robertson-Walker universe without any matter. Our results show that a new gauge-invariant dynamical scalar mode emerges, due to the gauge transformation under the "foliation-preserving" diffeomorphism and "projectability condition," and it can produce a scale invariant power spectrum. In the infrared regime with lambda=1, the dynamical scalar degree of freedom turns to be a nondynamical one at the linear order level.
部门归属[Cai, RG; Hu, B; Zhang, HB] Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China; [Zhang, HB] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
关键词Massive Gauge-theories Physics
学科领域Physics
资助者Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060]
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收录类别SCI
资助者Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060]
WOS记录号WOS:000269641400001
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被引频次:96[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/311006/5266
专题理论物理所SCI论文
通讯作者Cai, RG , Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
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GB/T 7714
Cai, Rong-Gen,Hu, Bin,Zhang, Hong-Bo,et al. Dynamical scalar degree of freedom in Horcava-Lifshitz gravity[J]. PHYSICAL REVIEW D,2009,80(4):-.
APA Cai, Rong-Gen,Hu, Bin,Zhang, Hong-Bo,&Cai, RG , Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.(2009).Dynamical scalar degree of freedom in Horcava-Lifshitz gravity.PHYSICAL REVIEW D,80(4),-.
MLA Cai, Rong-Gen,et al."Dynamical scalar degree of freedom in Horcava-Lifshitz gravity".PHYSICAL REVIEW D 80.4(2009):-.
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