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2011

Fluctuations along supersymmetric flat directions during Inflation

Enqvist, Kari, Figueroa, Daniel G., Rigopoulos, Gerasimos

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We consider a set of scalar fields, consisting of a single flat direction and one or several non-flat directions.

We take our cue from the MSSM, considering separately D-flat and F-flat directions, but our results apply to any supersymmetric scenario containing flat directions.
We study the field fluctuations during pure de Sitter Inflation, following the evolution of the infrared modes by numerically solving the appropriate Langevin equations.
We demonstrate that for the Standard Model U(1), SU(2) or SU(3) gauge couplings, as well as for large enough Yukawa couplings, the fluctuations along the non-flat directions effectively block the fluctuations along the flat directions.

Fluctuations along supersymmetric flat directions during Inflation · Around

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Similar

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A. D. Linde, “Particle physics and inflationary cosmology”, arXiv:hep-th/0503203
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Then

M. Matsumoto and T. Nishimura, ”Mersenne Twister: A 623-Dimensionally Equidistributed Uniform Pseudo-Random Number Generator”, ACM Transactions on Modeling and Computer Simulation, Vol. 8, No. 1, January 1998, pp 3-30
1998
Later among the works it cites.
K. Enqvist and A. Mazumdar, Phys. Rept. 380
2003
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G. I. Rigopoulos, E. P. S. Shellard, JCAP 0510
2005
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R. Allahverdi, K. Enqvist, J. Garcia-Bellido, A. Mazumdar, Phys. Rev. Lett. 97
2007
Later among the works it cites.

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