Non-minimally coupled vector curvaton.

Dimopoulos, Konstantinos and Karciauskas, Mindaugas (2008) Non-minimally coupled vector curvaton. Journal of High Energy Physics, 2008 (07).

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It is shown that a massive Abelian vector boson field can generate the curvature perturbation in the Universe, when coupled non-minimally to gravity, through an RA2 coupling. The vector boson acts as a curvaton field imposing the curvature perturbation after the end of inflation, without generating a large-scale anisotropy. The parameter space of the model is fully explored, obtaining the relevant bounds on the inflation scale and the decay constant of the vector curvaton.

Item Type: Journal Article
Journal or Publication Title: Journal of High Energy Physics
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/qc
Departments: Faculty of Science and Technology > Physics
ID Code: 23471
Deposited By: Dr Konstantinos Dimopoulos
Deposited On: 21 Jan 2009 14:06
Refereed?: Yes
Published?: Published
Last Modified: 22 Jun 2019 02:24

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