Comments on the coherent-state representation of a scalar field in the early universe

Details Comments on the coherent-state representation of a scalar field in the early universe Comments on the coherent-state representation of a scalar field in the early universe

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982phrvd..25.2208b&link_type=abstract

Physical Review D (Particles and Fields), Volume 25, Issue 8, 15 April 1982, pp.2208-2210

Mathematics

Logic

9

Scientific paper

Previous work on the coherent states of a cosmological scalar field is extended to illustrate the effect of spacetime curvature on the coherent-state parametrization. Coherent states for the "flat Kasner" ("Rindler wedge") cosmology are constructed as an example. It is shown that the coherent-state representation is invariant under a conformal transformation which does not alter the definition of positive frequency.

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