Warm inflation: Towards a realistic COBE data power spectrum for matter and metric thermal coupled fluctuations

Details Warm inflation: Towards a realistic COBE data power spectrum for matter and metric thermal coupled fluctuations Warm inflation: Towards a realistic COBE data power spectrum for matter and metric thermal coupled fluctuations

2000-04-18

arxiv.org/abs/gr-qc/0004059v1

Gen.Rel.Grav.33:2081,2001

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, no figures

Scientific paper

10.1023/A:1013063329486

I consider the COBE data coarse-grained field that characterize the now observable universe for a model of warm inflation which takes into account the thermal coupled fluctuations of the scalar field with the thermal bath. The power spectrum for both, matter and metric fluctuations are analyzed. I find that the amplitude for the fluctuations of the metric when the horizon entry, should be very small for the expected values of temperature.

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