Vacuum effects in a spatially homogeneous and isotropic cosmological background

Details Vacuum effects in a spatially homogeneous and isotropic cosmological background Vacuum effects in a spatially homogeneous and isotropic cosmological background

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992cajph..70..143v&link_type=abstract

Canadian Journal of Physics (ISSN 0008-4204), vol. 70, no. 2-3, p. 143-147.

Physics

1

Astronomical Models, Cosmology, Quantum Mechanics, Vacuum Effects, Dirac Equation, Hypergeometric Functions, Klein-Gordon Equation, Scalars, Wave Equations

Scientific paper

We obtain, by separation of variables, an exact solution to the Klein-Gordon and Dirac equations in a cosmological, spatially-closed, Robertson-Walker space-time with a positive cosmological constant Lambda. The model is associated with a universe filled with radiation. We analyze the phenomenon of particle creation for different values of the dimensionless coupling constant xi.

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