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arxiv: 0704.2553 · v2 · submitted 2007-04-19 · ✦ hep-th

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Metastable String Vacua

C. Angelantonj , E. Dudas
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classification ✦ hep-th
keywords stringvacuametastabletypeargueargumentsbrane-antibranebreaking
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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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