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arxiv: gr-qc/9805018 · v1 · submitted 1998-05-07 · 🌀 gr-qc

Kaluza-Klein Gravity

J. M. Overduin , P. S. Wesson This is my paper
classification 🌀 gr-qc
keywords approachesthreeastrophysicalcompactifiedconcludecontrastedcosmologicaldimensions
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We review higher-dimensional unified theories from the general relativity, rather than the particle physics side. Three distinct approaches to the subject are identified and contrasted: compactified, projective and noncompactified. We discuss the cosmological and astrophysical implications of extra dimensions, and conclude that none of the three approaches can be ruled out on observational grounds at the present time.

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