Surface Gravity on the Horizon of η-ξ Spacetime
LI Zi-Jing, GUI Yuan-Xing, ZHANG Su-Hong, YU Hong
Department of Physics, Dalian University of Technology, Dalian 116024
Surface Gravity on the Horizon of η-ξ Spacetime
LI Zi-Jing;GUI Yuan-Xing;ZHANG Su-Hong;YU Hong
Department of Physics, Dalian University of Technology, Dalian 116024
关键词 ：
03.70.+k ,
04.70.Dy ,
02.40.Re
Abstract ： We investigate the two methods of defining the surface gravity k on the horizon, which are the metric definition and the definition given by the spacetime conformal method. It is found that the latter is of greater generality. By this method, we find that k of η-ξ spacetime is equal to the exponent factor α in the coordinate transformation, which confirms the argument that η-ξ spacetime can be considered as the background spacetime for finite-temperature field theories. The reasons why the metric definition of k can not be applied in η-ξ spacetime are presented.
Key words ：
03.70.+k
04.70.Dy
02.40.Re
出版日期: 2005-09-01
:
03.70.+k
(Theory of quantized fields)
04.70.Dy
(Quantum aspects of black holes, evaporation, thermodynamics)
02.40.Re
(Algebraic topology)
引用本文:
LI Zi-Jing;GUI Yuan-Xing;ZHANG Su-Hong;YU Hong. Surface Gravity on the Horizon of η-ξ Spacetime[J]. 中国物理快报, 2005, 22(9): 2154-2156.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I9/2154
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2005, Vol. 22 
