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题名: Hawking radiation from the cosmological horizon in a FRW universe
作者: Hu, YP
刊名: PHYSICS LETTERS B
出版日期: 2011
卷号: 701, 期号:2, 页码:269-274
关键词: BLACK-HOLE EVAPORATION ;  APPARENT HORIZON ;  PARTICLE CREATION ;  1ST LAW ;  EXPANDING UNIVERSES ;  EVENT HORIZONS ;  THERMODYNAMICS ;  ENERGY ;  DYNAMICS ;  BRANEWORLD
学科分类: Physics
通讯作者: Hu, YP (reprint author), Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.
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
英文摘要: 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.
资助者: NSFC, China [10773002, 10875018, 10873003, 10975168]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000292993900015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14321
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Recommended Citation:
Hu, YP. Hawking radiation from the cosmological horizon in a FRW universe[J]. PHYSICS LETTERS B,2011,701(2):269-274.
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