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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Ehrenfest–Tolman effect ： ウィキペディア英語版 Ehrenfest–Tolman effect The Ehrenfest–Tolman effect (also known as the Tolman–Ehrenfest effect), created by Richard C. Tolman and Paul Ehrenfest, argues that temperature is not constant in space at thermal equilibrium, but varies with the spacetime curvature. Specifically, it depends on the spacetime metric. In a stationary spacetime with timelike Killing vector field $\backslash xi$, the temperature $T$ satisfies instead the Tolman-Ehrenfest relation: $T\backslash ,||\backslash xi||=\backslash mathrm$, where $||\backslash xi||=\backslash sqrt$ is the norm of the timelike Killing vector field. This relationship leads to the concept of ''thermal time'' which has been considered as a possible basis for a fully general-relativistic thermodynamics. It has been shown that the Tolman–Ehrenfest effect can be derived by applying the equivalence principle to the concept that temperature is the rate of thermal time with respect to proper time.〔(arxiv.org/abs/1005.2985 ) Rovelli & Smerlak, 2010, Classical and Quantum Gravity, 28, 4]〕 ==References== 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ehrenfest–Tolman effect」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.