Reheating Temperature after Inflation in No-Scale Supergravity

Details Reheating Temperature after Inflation in No-Scale Supergravity Reheating Temperature after Inflation in No-Scale Supergravity

2010-01-21

arxiv.org/abs/1001.3733v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages

Scientific paper

By using a No-Scale Supergravity model, which was proved well to explain WMAP observations appropriately, a mechanism of preheating just after the end of inflation is investigated. By using the canonically normalized and diagonalized scalars, the decay rates of these fields are calculated inflaton $S$ into gauge sector fields. The reheating temperature is estimated by both the stability condition of Boltzmann equation and the instant preheating mechanism. The both of reheating temperatures are almost the same order of magnitude $\sim O(10^{10})$ GeV. Because two mechanisms are completely independent processes, the former is caused through the inflaton decays into gauge fields and gauginons and the latter is caused by the scattering process of two inflatons into two right handed sneutrinos, which will decay into Higgs fields and other minimal SUSY standard model (MSSM) particles, we conclude that both mechanisms play essential roles in the preheating process after inflation.

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