ITP OpenIR  > 理论物理所1978-2010年知识产出
Holography, UV/IR Relation, Causal Entropy Bound, and Dark Energy
Cai Rong-Gen; Hu Bin; Zhang Yi; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
2009
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号51期号:5页码:954-960
摘要The constraint on the total energy in a given spatial region is given from holography by the mass of a black hole that just fits in that region, which leads to an UV/IR relation: the maximal energy density in that region is propotional to M(p)(2)/L(2), wher M(p) is the Planck mass and L is the spatial scale of that region under consideration. Assuming that maximal black hole in the universe is formed through gravitational collapse of perturbations in the universe, then the "Jeans" scale of the perturbations gives a causal connection scale R(CC). For gravitational perturbations, R(CC)(-2) = Max ((H) over dot + 2H(2), -(H) over dot) for a flat universe. We study the cosmological dynamics of the corresponding vacuum energy density by choosing the causal connection scale as the IR cutoff in the UV/IR relation, in the cases of the vacuum energy density as an independently conserved energy component and an effective dynamical cosmological constant, respectively. It turns out that only the case with the choice R(CC)(-2) = (H) over dot + 2H(2), could be consistent with the current cosmological observations when the vacuum density appears as an independently conserved energy component. In this case, the model is called holographic Ricci scalar dark energy model in the literature.
部门归属[Cai, RG; Hu, B; Zhang, Y] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Cosmological Constant Field Theory Model Time Quintessence Constraints Supernovae Universe
学科领域Physics
资助者Chinese Academy of Sciences[KJCX3-SYW-N2]; National Natural Science Foundation of China[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; National Natural Science Foundation of China[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; National Natural Science Foundation of China[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; National Natural Science Foundation of China[10821504, 10525060]
收录类别SCI
资助者Chinese Academy of Sciences[KJCX3-SYW-N2]; National Natural Science Foundation of China[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; National Natural Science Foundation of China[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; National Natural Science Foundation of China[10821504, 10525060] ; Chinese Academy of Sciences[KJCX3-SYW-N2]; National Natural Science Foundation of China[10821504, 10525060]
WOS记录号WOS:000266219300039
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被引频次:47[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/311006/5336
专题理论物理所1978-2010年知识产出
通讯作者Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714
Cai Rong-Gen,Hu Bin,Zhang Yi,et al. Holography, UV/IR Relation, Causal Entropy Bound, and Dark Energy[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2009,51(5):954-960.
APA Cai Rong-Gen,Hu Bin,Zhang Yi,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.(2009).Holography, UV/IR Relation, Causal Entropy Bound, and Dark Energy.COMMUNICATIONS IN THEORETICAL PHYSICS,51(5),954-960.
MLA Cai Rong-Gen,et al."Holography, UV/IR Relation, Causal Entropy Bound, and Dark Energy".COMMUNICATIONS IN THEORETICAL PHYSICS 51.5(2009):954-960.
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