Dual inflation

Details Dual inflation Dual inflation

1997-07-04

arxiv.org/abs/hep-th/9707059v2

Phys.Lett. B418 (1998) 252-257

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, RevTeX, epsf, 2 figures (included in the text). Slightly improved version, accepted in Physics Letters B

Scientific paper

10.1016/S0370-2693(97)01411-1

We propose a new model of inflation based on the soft-breaking of N=2 supersymmetric SU(2) Yang-Mills theory. The advantage of such a model is the fact that we can write an exact expression for the effective scalar potential, including non-perturbative effects, which preserves the analyticity and duality properties of the Seiberg-Witten solution. We find that the scalar condensate that plays the role of the inflaton can drive a long period of cosmological expansion, produce the right amount of temperature anisotropies in the microwave background, and end inflation when the monopole acquires a vacuum expectation value. Duality properties relate the weak coupling Higgs region where inflation takes place with the strong coupling monopole region, where reheating occurs, creating particles corresponding to the light degrees of freedom in the true vacuum.

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