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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 Petr Hořava (theorist) ： ウィキペディア英語版 Petr Hořava (theorist) Petr Hořava is a Czech string theorist. He is a professor of physics at the University of California, Berkeley, where he teaches courses on quantum field theory and string theory. Hořava is a member of the theory group at Lawrence Berkeley National Laboratory. ==Work== Hořava is known for his articles written with Edward Witten about the Hořava-Witten domain walls in M-theory. These articles demonstrated that the ten-dimensional heterotic $E\_8\; \backslash times\; E\_8$ string theory could be produced from 11-dimensional M-theory by making one of the dimensions have edges (the domain walls). This discovery provided crucial support for the conjecture that all string theories could arise as limits of a single higher-dimensional theory. Hořava is less well known for his discovery of D-branes, usually attributed to Dai, Leigh and Polchinski, who discovered them independently, also in 1989. In 2009, Hořava proposed a theory of gravity that separates space from time at high energy while matching some predictions of general relativity at lower energies.〔("Quantum Gravity at a Lifshitz Point" ) by Petr Hořava〕〔Zeeya Merali, "(Splitting Time from Space—New Quantum Theory Topples Einstein's Spacetime )", Scientific American (Dec. 2009).〕 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「Petr Hořava (theorist)」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.