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Hu, YP; Hu, YP (reprint author), Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.
Hawking radiation from the cosmological horizon in a FRW universe
发表期刊PHYSICS LETTERS B
语种英语
关键词Black-hole Evaporation Apparent Horizon Particle Creation 1st Law Expanding Universes Event Horizons Thermodynamics Energy Dynamics Braneworld
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.
2011
ISSN0370-2693
卷号701期号:2页码:269-274
学科领域Physics
收录类别SCI
项目资助者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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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
专题理论物理所科研产出_SCI论文
通讯作者Hu, YP (reprint author), Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.
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GB/T 7714
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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