Inflation and Inverse Symmetry Breaking

Details Inflation and Inverse Symmetry Breaking Inflation and Inverse Symmetry Breaking

1995-06-24

arxiv.org/abs/hep-ph/9506415v2

Phys.Rev. D54 (1996) 7153-7157

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages. Standard Latex file. Numerical study and non-equlibrium problem is added. To be published in PRD

Scientific paper

10.1103/PhysRevD.54.7153

An inflation model with inverse symmetry breaking of two scalar fields is proposed. Constraints on the parameters for a successful inflation are obtained. In general the inequality $\lambda_1\ll g <\lambda_2$ should be satisfied, where $\lambda_{1,2}$ and $g$ are the coupling constants for self interaction and mutual interaction of two scalar fields respectively. An example with $SU(5)$ GUTs phase transition and numerical study are presented. This model introduce a new mechanism for the onset of inflation.

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