Reheating and causal thermodynamics

Winifred Zimdahl, Diego Pavón, Roy Maartens

Research output: Contribution to journalArticlepeer-review


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.
Original languageEnglish
Pages (from-to)4681-4688
JournalPhysical Review D
Issue number8
Publication statusPublished - 15 Apr 1997


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