c < 1 String from Two Dimensional Black Holes

Details c < 1 String from Two Dimensional Black Holes c < 1 String from Two Dimensional Black Holes

2005-03-31

arxiv.org/abs/hep-th/0503237v3

JHEP 0507 (2005) 050

Physics

High Energy Physics

High Energy Physics - Theory

36 pages, harvmac; acknowledgements, comments and references added

Scientific paper

10.1088/1126-6708/2005/07/050

We study a topological string description of the c < 1 non-critical string whose matter part is defined by the time-like linear dilaton CFT. We show that the topologically twisted N=2 SL(2,R)/U(1) model (or supersymmetric 2D black hole) is equivalent to the c < 1 non-critical string compactified at a specific radius by comparing their physical spectra and correlation functions. We examine another equivalent description in the topological Landau-Ginzburg model and check that it reproduces the same scattering amplitudes. We also discuss its matrix model dual description.

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