Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 10, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2008/10/013
Keywords
gravity waves/theory; inflation; cosmology of theories beyond the SM; physics of the early universe
Funding
- EU 6th Framework Marie Curie Research and Training Network 'UniverseNet' [MRTN-CT-2006-035863]
- Academy of Finland [114419]
- GRASPANP Graduate School
- Academy of Finland (AKA) [114419, 114419] Funding Source: Academy of Finland (AKA)
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We argue that the curvaton decay takes place most naturally by way of a broad parametric resonance. The mechanism is analogous to resonant inflaton decay but does not require any tuning of the curvaton coupling strength to other scalar fields. For low scale inflation and a correspondingly low mass scale for the curvaton, we speculate on observable consequences including the possibility of stochastic gravitational waves.
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