“Kaluza-Klein theory”的概念、定义、习题解题方法及翻译-物理辞典

单词	Kaluza-Klein theory
释义	Kaluza-Klein theory A type of unified-field theory that postulates a generalization of the general theory of relativity to higher than four space-time dimensions. In five space-time dimensions this gives general relativity and electromagnetic interactions. In higher space-time dimensions Kaluza-Klein theories give general relativity and more general gauge theories. A combination of Kaluza-Klein theory and supersymmetry gives rise to supergravity, which needs eleven space-time dimensions. In these theories it is proposed that the higher dimensions are ‘rolled up’ to become microscopically small (a process known as spontaneous compactification ) with four macroscopic space-time dimensions remaining. It is named after Theodor Kaluza (1885–1954) and Felix Klein (1849–1925)
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