The primordial density perturbation in the curvaton scenario

Details The primordial density perturbation in the curvaton scenario The primordial density perturbation in the curvaton scenario

2002-08-02

arxiv.org/abs/astro-ph/0208055v3

Phys.Rev.D67:023503,2003

Astronomy and Astrophysics

Astrophysics

13 pages, latex with revtex, no figures; v2 caveat added to calculation of isocurvature perturbations in section IV; v3 minor

Scientific paper

10.1103/PhysRevD.67.023503

We analyse the primordial density perturbation when it is generated by a `curvaton' field different from the inflaton. In some cases this perturbation may have large isocurvature components, fully correlated or anti-correlated with the adiabatic component. It may also have a significant non-Gaussian component. All of these effects are calculated in a form which will enable direct comparison with current and forthcoming observational data.

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