M-theory cosmologies from singular Calabi-Yau compactifications
arXiv:hep-th/0310174 · doi:10.1088/1475-7516/2004/02/012
Abstract
We study five-dimensional Kasner cosmologies in a time-dependent Calabi-Yau compactification of M-theory undergoing a flop transition. The dynamics of the additional states, which become massless at the transition point and give rise to a scalar potential, are taken into account using a recently constructed gauged supergravity action. Due to the dynamics of these states the moduli do not show the usual run-away behavior but oscillate around the transition region. Moreover, the solutions typically exhibit short periods of accelerated expansion. We also analyze the interplay between the geometries of moduli space and space-time.
66 pages, many figures; v2: minor changes, two references added
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- Beauty is Attractive: Moduli Trapping at Enhanced Symmetry Points
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- Proceedings to the 'Euroconference on Symmetries Beyond the Standard Model',12. - 17. July 2003, Portoroz, Slovenia (Part 2 of 2)