Thermodynamic aspects of extended inflation

Details Thermodynamic aspects of extended inflation Thermodynamic aspects of extended inflation

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvd..47.2302c&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 47, Issue 6, 15 March 1993, pp.2302-2312

Physics

4

Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

Extended inflation has recently been proposed as a way of allowing inflation to proceed via a first-order phase change while avoiding the graceful exit problem. We examine the constraints imposed on such models by the need to establish a thermal initial state using the formalism developed in a previous paper. We conclude that, despite the extra free parameters extended inflation enjoys, the difficulties of generating a thermal state are just as great as they are for conventional inflation.

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