Mirror Symmetry and Closed String Tachyon Condensation

Cumrun Vafa

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arXiv · hep-th/0111051

Mirror Symmetry and Closed String Tachyon Condensation

Cumrun Vafa

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Abstract

We study closed string tachyon condensation using the RG flow of the worldsheet theory. In many cases the worldsheet theory enjoys N=2 supersymmetry, which provides analytic control over the flow, due to non-renormalization theorems. Moreover, Mirror symmetry sheds light on the RG flow in such cases. We discuss the relevant tachyon condensation in the context of both compact and non-compact situations which lead to very different conclusions. Furthermore, the tachyon condensation leads to non-trivial dualities for non-supersymmetric probe theories.

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Cumrun Vafa. 2001-11-07. Mirror Symmetry and Closed String Tachyon Condensation. https://arxiv.org/abs/hep-th/0111051

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