Cosmological perturbations from varying masses and couplings

Physical Review D - Particles, Fields, Gravitation and Cosmology

Volumn 69, Issue 8, 2004, Pages 12-

  Vernizzi, Filippo ^a  

^a INSTITUT D'ASTROPHYSIQUE DE PARIS   (France)

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EID: 7444236233     PISSN: 15507998     EISSN: 15502368     Source Type: Journal    
DOI: 10.1103/PhysRevD.69.083526     Document Type: Article

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55. The value of r depends only on the background solution and since for the curvaton and the inhomogeneous reheating in the slow-roll limit this is the same, also r is the same.
56. Note that for mixed perturbations the bounds on r coming from the non-Gaussianities discussed in the next section do not apply because adiabatic perturbations are due to perturbations produced by inflation. However, in the presence of correlated adiabatic and isocurvature perturbations non-Gaussianity can be enhanced, see 39.