R-Invariant Topological Inflation

Details R-Invariant Topological Inflation R-Invariant Topological Inflation

1998-10-30

arxiv.org/abs/hep-ph/9810537v1

Prog.Theor.Phys. 101 (1999) 1129-1133

Physics

High Energy Physics

High Energy Physics - Phenomenology

7pages (RevTeX file)

Scientific paper

10.1143/PTP.101.1129

We propose a topological inflation model in the framework of supergravity with $R$ invariance. This topological inflation model is not only free from the initial value problem of the inflaton field but also gives low reheating temperature which is favored in supergravity since the overproduction of gravitinos is avoided. Furthermore, the predicted spectrum of the density fluctuations is generally tilted, which will be tested by future observations on CMB anisotropies and large scale structure of the universe.

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