Anupam Mazumdar, Seshadri Nadathur
We provide a model in which both the inflaton and the curvaton are obtained
from within the minimal supersymmetric Standard Model, with known gauge and
Yukawa interactions. Since now both the inflaton and curvaton fields are
successfully embedded within the same sector, their decay products thermalize
very quickly before the electroweak scale. This results in two important
features of the model: firstly, there will be no residual isocurvature
perturbations, and secondly, observable non-Gaussianities can be generated with
the non-Gaussianity parameter $f_\mathrm{NL}\sim {\cal O}(5-1000)$ being
determined solely by the combination of weak-scale physics and the Standard
Model Yukawas.
View original:
http://arxiv.org/abs/1107.4078
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