Cosmic Attractors and Gauge Hierarchy

Details Cosmic Attractors and Gauge Hierarchy Cosmic Attractors and Gauge Hierarchy

2003-04-04

arxiv.org/abs/hep-th/0304043v2

Phys.Rev. D70 (2004) 063501

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1103/PhysRevD.70.063501

We suggest a new cosmological scenario which naturally guarantees the smallness of scalar masses and VEVs, without invoking supersymmetry or any other (non-gravitationaly coupled) new physics at low energies. In our framework, the scalar masses undergo discrete jumps due to nucleation of closed branes during (eternal) inflation. The crucial point is that the step size of variation decreases in the direction of decreasing scalar mass. This scenario yields exponentially large domains with a distribution of scalar masses, which is sharply peaked around a hierarchically small value of the mass. This value is the "attractor point" of the cosmological evolution.

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