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Kaluza–Klein theory

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In physics, Kaluza–Klein theory (KK theory) is an attempt at creating a unified field theory of gravitation and electromagnetism based on the idea of a fifth dimension of space beyond the conventional four-dimensional spacetime of general relativity. According to this proposal, there are three dimensions of space and one of time but with an additional spatial dimension in the shape of a tiny circle. The Kaluza-Klein theory is named after Theodor Kaluza and Oskar Klein. It is not supported by experiments, but is a precursor to supergravity and modern string theory (in eleven-dimensional spacetime).

Kaluza–Klein theory - Wikipedia Jump to content From Wikipedia, the free encyclopedia Unified field theory This article is about gravitation and electromagnetism. For the mathematical generalization of K theory , see KK-theory . This article relies excessively on references to primary sources . Please improve this article by adding secondary or tertiary sources . Find sources:   "Kaluza–Klein theory"  –  news   · newspapers   · books   · scholar   · JSTOR ( January 2023 ) ( Learn how and when to remove this message ) Beyond the Standard Model Simulated Large

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