Smoothing regularization and particle creation in curved spacetime

Details Smoothing regularization and particle creation in curved spacetime Smoothing regularization and particle creation in curved spacetime

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982phla...88..109k&link_type=abstract

Physics Letters A, Volume 88, Issue 3, p. 109-112.

Physics

1

Scientific paper

A regularization procedure is given for the stress tensor of a quantized field in a background metric. This regularization is shown to be equivalent to a covariant renormalization of constants in the generalized Einstein equations. An example of the massive spinor field in Robertson-Walker universe is considered. Regular values of the stress tensor near the cosmological singularity are found.

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