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Abstract:

We study the duality between string theory formulated on a curved exact background (the two-dimensional black hole) and string theory in flat space with a tachyon-like potential. We generalize previous results on this subject by discussing a twisted version of the Fateev-Zamolodchikov-Zamolodchikov conjecture (FZZ). This duality is shown to hold at the level of N-point correlation functions on the sphere topology, and connects tree-level string amplitudes in the Euclidean version of the 2D black hole to correlation functions in a nonlinear sigma-model in flat space but in presence of a tachyon wall potential and a linear dilaton. The dual CFT we propose here corresponds to the perturbed 2D quantum gravity coupled to c < 1 matter, where the operator that describes the tachyon-like potential can be seen as an n = 2 momentum mode perturbation, while the usual sine-Liouville potential involved in the FZZ duality would correspond to the vortex sector n = 1. We give a precise prescription for computing correlation functions in the twisted model. © 2008 Polish Scientific Publishers PWN, Warszawa.

Registro:

Documento: Artículo
Título:A twisted FZZ-like dual for the 2D black hole
Autor:Giribet, G.; Leoni, M.
Filiación:Abdus Salam International Centre for Theoretical Pysics, ICTP Strada Costiera 11, 34014 Trieste, Italy
Physics Department, Universidad de Buenos Aires, FCEN - UBA Ciudad Universitaria, pabellón 1, 1428 Buenos Aires, Argentina
Palabras clave:2D black hole; conformal field theory; Liouville theory; non-critical strings
Año:2008
Volumen:61
Número:2
Página de inicio:151
Página de fin:162
DOI: http://dx.doi.org/10.1016/S0034-4877(08)00011-6
Título revista:Reports on Mathematical Physics
Título revista abreviado:Rep. Math. Phys.
ISSN:00344877
CODEN:RMHPB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00344877_v61_n2_p151_Giribet

Referencias:

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Citas:

---------- APA ----------
Giribet, G. & Leoni, M. (2008) . A twisted FZZ-like dual for the 2D black hole. Reports on Mathematical Physics, 61(2), 151-162.
http://dx.doi.org/10.1016/S0034-4877(08)00011-6
---------- CHICAGO ----------
Giribet, G., Leoni, M. "A twisted FZZ-like dual for the 2D black hole" . Reports on Mathematical Physics 61, no. 2 (2008) : 151-162.
http://dx.doi.org/10.1016/S0034-4877(08)00011-6
---------- MLA ----------
Giribet, G., Leoni, M. "A twisted FZZ-like dual for the 2D black hole" . Reports on Mathematical Physics, vol. 61, no. 2, 2008, pp. 151-162.
http://dx.doi.org/10.1016/S0034-4877(08)00011-6
---------- VANCOUVER ----------
Giribet, G., Leoni, M. A twisted FZZ-like dual for the 2D black hole. Rep. Math. Phys. 2008;61(2):151-162.
http://dx.doi.org/10.1016/S0034-4877(08)00011-6