Quantum particle production in an expanding universe and Kaluza-Klein theories

Details Quantum particle production in an expanding universe and Kaluza-Klein theories Quantum particle production in an expanding universe and Kaluza-Klein theories

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phrvd..32.3118g&link_type=abstract

Physical Review D (Particles and Fields), Volume 32, Issue 12, 15 December 1985, pp.3118-3123

Physics

6

Particle-Theory And Field-Theory Models Of The Early Universe, Unified Field Theories And Models, Origin And Formation Of The Universe

Scientific paper

Particle production due to a conformally coupled scalar field plus gravity in n+4 dimensions is considered. The metric for the gravitational field is taken to be a generalization of a Robertson-Walker metric. A general procedure for calculating the particle number density with any isotropically contracting compact space is developed. The number density is then calculated to lowest order in perturbation theory when the compact space is Tn and examples are given.

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