Gravitational waves in an anomaly-induced inflation

Details Gravitational waves in an anomaly-induced inflation Gravitational waves in an anomaly-induced inflation

2003-11-24

arxiv.org/abs/hep-ph/0311309v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages. Talk presented at IRGA 2003 (Renormalization Group and Anomalies in Gravitation and Cosmology, Ouro Preto, Brazil, 16

Scientific paper

10.1016/S0920-5632(03)02421-6

The behaviour of gravitational waves in the anomaly-induced inflationary
phase is studied. The metric perturbations exhibit a stable behaviour, with a
very moderate growth in the amplitude of the waves. The spectral indice is
computed, revealing an almost flat spectrum.

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