Testing cosmological supersymmetry breaking

Details Testing cosmological supersymmetry breaking Testing cosmological supersymmetry breaking

2001-02-25

arxiv.org/abs/hep-ph/0102309v2

Phys.Lett.B516:383-387,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, LaTeX. v2: references added, comments added to conclusions

Scientific paper

10.1016/S0370-2693(01)00935-2

Banks has proposed a relation between the scale of supersymmetry breaking and the cosmological constant in de Sitter space. His proposal has a natural extension to a general FRW cosmology, in which the supersymmetry breaking scale is related to the Hubble parameter. We study one consequence of such a relation, namely that coupling constants change as the universe evolves. We find that the most straightforward extension of Banks' proposal is disfavored by experimental bounds on variation of the fine structure constant.

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