Particle creation by a self-coupled scalar field

Details Particle creation by a self-coupled scalar field Particle creation by a self-coupled scalar field

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvd..35.3709p&link_type=abstract

Physical Review D (Particles and Fields), Volume 35, Issue 12, 15 June 1987, pp.3709-3712

Physics

12

Theory Of Quantized Fields, Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

The creation of the quanta of a self-coupled scalar field due to the time dependence of the classical scalar field is investigated. In general, a time-dependent solution of the classical field equation leads, in quantum field theory, to the creation of scalar particles. This effect tends to dissipate the energy of the classical field. A formalism for calculating the rate of this particle creation is developed and applied to several model self-coupled scalar field theories. The application of the results to inflationary cosmology is discussed.

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