ITP OpenIR  > 理论物理所2011年知识产出
Hawking radiation from the cosmological horizon in a FRW universe
Hu, YP; Hu, YP (reprint author), Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.
2011
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号701期号:2页码:269-274
摘要It is well known that there is a Hawking radiation from the cosmological horizon of the de Sitter spacetime, and the de Sitter spacetime can be a special case of a FRW universe. Therefore, there may be a corresponding Hawking radiation in a FRW universe. Indeed, there have been several clues showing that there is a Hawking radiation from the apparent horizon of a FRW universe. In our Letter, however, we find that the Hawking radiation may come from the cosmological horizon. Moreover, we also find that the Hawking radiation from the apparent horizon of a FRW universe in some previous works can be a special case in our result, and the condition is that the variation rate of cosmological horizon (r)over dot(H) is zero. Note that, this condition is also consistent with the underlying integrable condition in these works from the apparent horizon. (C) 2011 Elsevier B.V. All rights reserved.
部门归属[Hu, Ya-Peng] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China; [Hu, Ya-Peng] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
关键词Black-hole Evaporation Apparent Horizon Particle Creation 1st Law Expanding Universes Event Horizons Thermodynamics Energy Dynamics Braneworld
学科领域Physics
资助者NSFC, China [10773002, 10875018, 10873003, 10975168] ; NSFC, China [10773002, 10875018, 10873003, 10975168] ; NSFC, China [10773002, 10875018, 10873003, 10975168] ; NSFC, China [10773002, 10875018, 10873003, 10975168]
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收录类别SCI
语种英语
资助者NSFC, China [10773002, 10875018, 10873003, 10975168] ; NSFC, China [10773002, 10875018, 10873003, 10975168] ; NSFC, China [10773002, 10875018, 10873003, 10975168] ; NSFC, China [10773002, 10875018, 10873003, 10975168]
WOS记录号WOS:000292993900015
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被引频次:6[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/311006/14321
专题理论物理所2011年知识产出
通讯作者Hu, YP (reprint author), Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.
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Hu, YP,Hu, YP . Hawking radiation from the cosmological horizon in a FRW universe[J]. PHYSICS LETTERS B,2011,701(2):269-274.
APA Hu, YP,&Hu, YP .(2011).Hawking radiation from the cosmological horizon in a FRW universe.PHYSICS LETTERS B,701(2),269-274.
MLA Hu, YP,et al."Hawking radiation from the cosmological horizon in a FRW universe".PHYSICS LETTERS B 701.2(2011):269-274.
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