Reheating and causal thermodynamics

Winfried Zimdahl, Diego Pavón, Roy Maartens

Research output: Contribution to journalArticleResearchpeer-review

51 Citations (Scopus)


The reheating process in inflationary universe models is considered as an out-of-equilibrium mixture of two interacting and reacting fluids, and studied within the framework of causal, irreversible thermodynamics. The evolution of the temperature and the decay rate as determined by causal thermodynamics are estimated at different stages of the process. A simple model is also used to find the perturbations of the expansion rate, including the possibility of damped oscillations. © 1997 The American Physical Society.
Original languageEnglish
Pages (from-to)4681-4688
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Publication statusPublished - 1 Jan 1997


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