Mixed metric perturbations in Kaluza-Klein cosmologies

Details Mixed metric perturbations in Kaluza-Klein cosmologies Mixed metric perturbations in Kaluza-Klein cosmologies

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990an....311..151b&link_type=abstract

Astronomische Nachrichten (ISSN 0004-6337), vol. 311, no. 3, 1990, p. 151-154.

Mathematics

Logic

1

Astronomical Models, Cosmology, Metric Space, Perturbation Theory, Dark Matter, Hubble Constant, Quantum Theory

Scientific paper

Metric perturbations of Kaluza-Klein cosmological models filled with phenomenological matter are considered. The exact solution for the development in time of the mixed perturbations, which have one index in the ordinary and one in the internal space is shown. The initial values are assumed to be taken from the results of the quantum fluctuation analysis. The contraction of the internal scales produces effectively massive field modes in the ordinary space. The comparison of this particle creation with dark matter estimations indicates the fundamental parameters of the model.

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