Resonant Gravitational Wave Amplification - Axion and Inflaton
Bruce A. Bassett
Abstract
We demonstrate the parametric amplification of the stochastic gravitational wave background during inflationary reheating and during axion/moduli oscillations. This amplification enhances the detectability of the string/inflationary gravity wave signal, leaving a finger-print on the spectrum which might be found with future gravitational wave detectors.
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