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Non-minimally coupled vector curvaton · Around

2008

Non-minimally coupled vector curvaton

Dimopoulos, Konstantinos, Karciauskas, Mindaugas

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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 RA^2 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.

Built on

G. W. Gibbons and S. W. Hawking, Phys. Rev. D 15
1977
Earlier work this paper cites.
M. B. Mijic, M. S. Morris and W. M. Suen, Phys. Rev. D 34
1980
Earlier work this paper cites.
L. H. Ford, Phys. Rev. D 40
Original
1991
Earlier work this paper cites.
A. R. Liddle and D. H. Lyth, Cosmological Inflation and Large Scale Structure
2000
Earlier work this paper cites.

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S. Nojiri and S. D. Odintsov, Phys. Rev. D 68
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D. H. Lyth and D. Wands, Phys. Lett. B 524
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D. H. Lyth, Phys. Lett. B 579
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E. Komatsu et al
Original
Cited in the paper.

Then

K. Dimopoulos, D. H. Lyth and Y. Rodriguez, JHEP 0502
2005
Later among the works it cites.
K. Dimopoulos, Phys. Rev. D 74
2006
Later among the works it cites.
K. Dimopoulos, Phys. Rev. D 76
2007
Later among the works it cites.

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