Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-05-03
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, revtex 3.0, 3 figures available upon request
Scientific paper
We consider the non-equilibrium evolution of the inflaton field coupled to both lighter scalars and fermions. The dissipational dynamics of this field is studied and found to be quite different than that believed in inflationary models. In particular, the damping time scale for the expectation value of the zero momentum mode of the inflaton can be much shorter than that given by the single particle decay rate when the inflaton amplitudes are large, as in chaotic inflation scenarios. We find that the reheating temperature may depart considerably from the usual estimates.
-Lee D. S.
Boyanovsky Daniel
D'Attanasio Marco
de Vega Hector J.
Holman Richard
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