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题名: De Sitter thermodynamics from diamonds
作者: Tian, Y
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2005
期号: 6, 页码:-
关键词: PARTICLE CREATION ;  HORIZONS ;  SPACE
学科分类: Physics
通讯作者: Tian, Y , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: The thermal time hypothesis proposed by Rovelli [1] regards the physical basis for the flow of time as thermodynamical and provides a definition of the temperature for some special cases. We verify this hypothesis in the case of de Sitter spacetime by relating the uniformly accelerated observer in de Sitter spacetime to the diamond in Minkowski spacetime. Then, as an application of it, we investigate the thermal effect for the uniformly accelerated observer with a finite lifetime in dS spacetime, which generalizes the corresponding result for the case of Minkowski spacetime [2]. Furthermore, noticing that a uniformly accelerated dS observer with a finite lifetime corresponds to a Rindler observer with a finite lifetime in the embedding Minkowski spacetime, we show that the global-embedding-Minkowski-spacetime (GEMS) picture of spacetime thermodynamics is valid in this case. This is a rather nontrivial and unexpected generalization of the GEMS picture, as well as a further verification of both the thermal time hypothesis and the GEMS picture.
收录类别: SCI
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13809
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Tian, Y. De Sitter thermodynamics from diamonds[J]. JOURNAL OF HIGH ENERGY PHYSICS,2005(6):-.
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