CFT for Closed String Tachyon Condensation

Details CFT for Closed String Tachyon Condensation CFT for Closed String Tachyon Condensation

2006-05-03

arxiv.org/abs/hep-th/0605032v2

Prog.Theor.Phys.117:359,2007

Physics

High Energy Physics

High Energy Physics - Theory

20 pages

Scientific paper

10.1143/PTP.117.359

We construct a class of CFT's which describe space-dependent closed string tachyon backgrounds, as the IR limit of GLSM's in which the FI-parameter is promoted to a superfield. Whole process of tachyon condensation is described by a single CFT. We apply this construction to several examples, in which target space is deformed drastically, and the dilaton background may vary, as a tachyon condenses.

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