Cosmological constant in broken maximal sugras

Details Cosmological constant in broken maximal sugras Cosmological constant in broken maximal sugras

2001-03-27

arxiv.org/abs/hep-th/0103225v4

Class.Quant.Grav.19:L193-L198,2002

Physics

High Energy Physics

High Energy Physics - Theory

8 pages

Scientific paper

10.1088/0264-9381/19/23/101

We examine the form of the cosmological constant in the loop expansion of broken maximally supersymmetric supergravity theories, and after embedding, within superstring and M-theory. Supersymmetry breaking at the TeV scale generates values of the cosmological constant that are in agreement with current astrophysical data. The form of perturbative quantum effects in the loop expansion is consistent with this parameter regime.

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