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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 Relative locality ： ウィキペディア英語版 Relative locality Relative locality is a proposed physical phenomenon that different observers would disagree on whether two space-time events are coincident.〔(Principle of relative locality ), Giovanni Amelino-Camelia, Laurent Freidel, Jerzy Kowalski-Glikman, Lee Smolin, 5 Jan 2011, Phys. Rev. D 84, 084010 (2011), , 〕 This is in contrast to special relativity and general relativity in which different observers may disagree on whether two distant events occur at the same time but if an observer infers that two events are at the same spacetime position then all observers will agree. When a light signal exchange procedure is used to infer spacetime coordinates of distant events from the travel time of photons, information about the photon's energy is discarded with the assumption that the frequency of light doesn't matter. It is also usually assumed that distant observers construct the same spacetime. This assumption of absolute locality implies that momentum space is flat. However research into quantum gravity has indicated that momentum space might be curved〔Max Born, ''A Suggestion for Unifying Quantum Theory and Relativity'', Proc. R. Soc. Lond. A 165 (1938) 291.〕 which would imply relative locality.〔''Relative locality: A deepening of the relativity principle'', Giovanni Amelino-Camelia, Laurent Freidel, Jerzy Kowalski-Glikman, Lee Smolin, International Journal of Modern Physics D, Vol. 20, No. 14 (2011) 2867–2873, World Scientific Publishing Company, , 〕 To regain an absolute arena for invariance one would combine spacetime and momentum space into a phase space. ==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「Relative locality」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.