Particle production in expanding universes with path integrals

Details Particle production in expanding universes with path integrals Particle production in expanding universes with path integrals

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986phrvd..34..959d&link_type=abstract

Physical Review D (Particles and Fields), Volume 34, Issue 4, 15 August 1986, pp.959-968

Physics

15

Functional Analytical Methods

Scientific paper

A method is developed to calculate path integrations for a scalar
particle moving in the spatially flat Robertson-Walker spacetime with
scale factor a(t). For three cases, which are specified by a(t)=t, a(t)=
√t , and a(t)=eHt, exact path-integral calculations are
presented and particle pair productions are studied.

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