Is cosmological dimensional reduction possible?

Details Is cosmological dimensional reduction possible? Is cosmological dimensional reduction possible?

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984phlb..138..269m&link_type=abstract

Physics Letters B, Volume 138, Issue 4, p. 269-273.

Physics

35

Scientific paper

Chodos and Detweiler have shown that ``extra'' dimensions in Kaluza-Klein theories may contract to an unobservable scale, by adopting an anisotropic Kasner-type vacuum solution of higher dimensions. However, if we consider a quantized matter field, the above anisotropic space-time may be isotropized by particle creation in the same manner with the process proposed by Zel'dovich in a conventional four-dimensional space-time. In this paper, the isotropization process in higher dimensions is computed by generalizing the method given by Hu and Parker for a conventional universe. It would be concluded that cosmological dimensional reduction does not occur.

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