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Cited by 259

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Non-Gaussianity in the curvaton scenario

Open access
Bartolo, N., Matarrese, S., Riotto, A.·2004·Physical Review D
DOI 10.1103/physrevd.69.043503
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Abstract

Since a positive future detection of nonlinearity in the cosmic microwave background anisotropy pattern might allow us to descriminate among different mechanisms giving rise to cosmological adiabatic perturbations, we study the evolution of the second-order cosmological curvature perturbation on superhorizon scales in the curvaton scenario. We provide the exact expression for the non-Gaussianity in the primordial perturbations including gravitational second-order corrections which are particularly relevant in the case in which the curvaton dominates the energy density before it decays. As a by-product, we show that in the standard scenario where cosmological curvature perturbations are induced by the inflaton field, the second-order curvature perturbation is conserved even during the reheating stage after inflation.

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Metadata

Authors
Bartolo, N., Matarrese, S., & Riotto, A.
Venue
Physical Review D
Publisher
American Physical Society (APS)
Published
2004-02-20
Volume
69
Issue
4
ISSN
  • 0556-2821 (ISSN-L)
  • 1550-7998
  • 1550-2368
DOI
10.1103/physrevd.69.043503
OpenAlex
W2067114972
Cited by
259
References
6
FWCI
8.66
Type
journal article
Language
en
Open access
green

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