Non-Thermal Phase Transitions after Inflation

Details Non-Thermal Phase Transitions after Inflation Non-Thermal Phase Transitions after Inflation

1995-10-18

arxiv.org/abs/hep-th/9510119v3

Phys.Rev.Lett.76:1011-1014,1996

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, an improved version to be published in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.76.1011

At the first stage of reheating after inflation, parametric resonance may rapidly transfer most of the energy of an inflaton field $\phi$ to the energy of other bosons. We show that quantum fluctuations of scalar and vector fields produced at this stage are much greater than they would be in a state of thermal equilibrium. This leads to cosmological phase transitions of a new type, which may result in a copious production of topological defects and in a secondary stage of inflation after reheating.

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