Metastable String Vacua

Details Metastable String Vacua Metastable String Vacua

2007-04-19

arxiv.org/abs/0704.2553v2

Phys.Lett.B651:239-245,2007

Physics

High Energy Physics

High Energy Physics - Theory

15 pages. v2 refs added and minor improvements

Scientific paper

10.1016/j.physletb.2007.06.031

We argue that tachyon-free type I string vacua with supersymmetry breaking in the open sector at the string scale can be interpreted, via S and T-duality arguments, as metastable vacua of supersymmetric type I superstring. The dynamics of the process can be partially captured via nucleation of brane-antibrane pairs out of the non-supersymmetric vacuum and subsequent tachyon condensation.

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