The effects of inhomogeneities on the cosmology of type IIB conifold transitions

Details The effects of inhomogeneities on the cosmology of type IIB conifold transitions The effects of inhomogeneities on the cosmology of type IIB conifold transitions

2005-10-31

arxiv.org/abs/hep-th/0510269v2

JHEP0603:029,2006

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, 2 figures. Published version

Scientific paper

10.1088/1126-6708/2006/03/029

In this paper we examine the evolution of the effective field theory describing a conifold transition in type IIB string theory. Previous studies have considered such dynamics starting from the cosmological approximation of homogeneous fields, here we include the effects of inhomogeneities by using a real-time lattice field theory simulation. By including spatial variations we are able to simulate the effect of currents and the gauge fields which they source. We identify two different regimes where the inhomogeneities have opposite effects, one where they aid the system to complete the conifold transition and another where they hinder it. The existence of quantized fluxes in related systems has lead to the speculation that (unstable) string solutions could exist, using our simulations we give strong evidence that these string-like defects do not form.

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