Initial condition for new inflation in supergravity

Details Initial condition for new inflation in supergravity Initial condition for new inflation in supergravity

1999-06-15

arxiv.org/abs/hep-ph/9906365v2

Phys.Rev. D61 (2000) 027303

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages. Some typos are corrected

Scientific paper

10.1103/PhysRevD.61.027303

We study the initial value problem of new inflation models in the scheme of supergravity. We find that an inflaton generally acquires a mass of the order of the Hubble parameter via gravitationally suppressed interactions with particles in the thermal bath of the universe. This additional mass term stabilizes dynamically the inflaton at the local maximum of the potential, which offers the initial condition of new inflation.

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