The gravitational dynamics of warped throats

Details The gravitational dynamics of warped throats The gravitational dynamics of warped throats

2009-09-09

arxiv.org/abs/0909.1675v1

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, 5 figures

Scientific paper

We investigate the time evolution due to gravitational dynamics of a particular spacetime commonly used in brane-cosmology and string compactifications, namely the Klebanov-Strassler geometry, which is achieved by adding a perturbation to the momentum of the static solution. We observe the effects this has on the spacetime and look for evidence of black hole formation or collapsing cycles which could lead to singular geometry. The cycles are seen to commonly re-expand after reaching a minimum value, showing the stability of the solution against perturbations which would change its size. However black holes are observed to form for certain perturbations, which could impede common uses of the throat's stable tip.

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