Cosmology with Twisted Tori

Details Cosmology with Twisted Tori Cosmology with Twisted Tori

2007-05-25

arxiv.org/abs/0705.3789v1

Phys.Rev.D76:104039,2007

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1103/PhysRevD.76.104039

We consider the cosmological role of the scalar fields generated by the compactification of 11-dimensional Einstein gravity on a 7D elliptic twisted torus, which has the attractive features of giving rise to a positive semi-definite potential, and partially fixing the moduli. This compactification is therefore relevant for low energy M-theory, 11D supergravity. We find that slow-roll inflation with the moduli is not possible, but that there is a novel scaling solution in Friedmann cosmologies in which the massive moduli oscillate but maintain a constant energy density relative to the background barotropic fluid.

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