Parameters of SUSY-Hybrid Inflation and the Process of Preheating

Details Parameters of SUSY-Hybrid Inflation and the Process of Preheating Parameters of SUSY-Hybrid Inflation and the Process of Preheating

2012-04-18

arxiv.org/abs/1204.4113v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

12 pages, 9 figures

Scientific paper

Process of preheating for supersymmetric hybrid model of inflation is generally analyzed in two different ways known as parametric resonance and tachyonic preheating. In a common frame-work, we study both the processes from the decay or growth of homogeneous inflaton field and inhomogeneous waterfall field. We find that these two processes in SUSY hybrid F-term inflation are not parameter independent; rather one process will be more preferable than the other depending on the values of parameters and Fourier mode of the waterfall field. Parameters of the inflationary potential are constrained from the observed CMB data and these constrains help us to identify the process of preheating responsible for this model.

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