Moduli Instability in Warped Compactifications of the Type IIB Supergravity

Details Moduli Instability in Warped Compactifications of the Type IIB Supergravity Moduli Instability in Warped Compactifications of the Type IIB Supergravity

2005-04-25

arxiv.org/abs/hep-th/0504193v3

JHEP 0507 (2005) 061

Physics

High Energy Physics

High Energy Physics - Theory

24 pages, no figure. Typos corrected, and some arguments in section 5 are added

Scientific paper

10.1088/1126-6708/2005/07/061

We show that the conifold and deformed-conifold warped compactifications of the ten-dimensional type IIB supergravity, including the Klebanov-Strassler solution, are dynamically unstable in the moduli sector representing the scale of a Calabi-Yau space, although it can be practically stable for a quite long time in a region with a large warp factor. This instability is associated with complete supersymmetry breaking except for a special case and produces significant time-dependence in the structure of the four-dimensional base spacetime as well as of the internal space.

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