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Abstract:

We study the operator product expansion in the AdS3 Wess-Zumino-Novikov- Witten (WZNW) model. The operator-product expansion of primary fields and their spectral flow images is computed from the analytic continuation of the expressions in the H3+ WZNW model, adding spectral flow. We argue that the symmetries of the affine algebra require a truncation which establishes the closure of the fusion rules on the Hilbert space of the theory. Although the physical mechanism determining the decoupling is not completely understood, we present several consistency checks on the results. A preliminary analysis of factorization allows to obtain some properties of four-point functions involving fields in generic sectors of the theory, to verify that they agree with the spectral flow selection rules and to show that the truncation must be realized in physical amplitudes for consistency. © 2009 The American Physical Society.

Registro:

Documento: Artículo
Título:Fusion rules and four-point functions in the AdS3 Wess-Zumino-Novikov- Witten model
Autor:Baron, W.H.; Núñez, C.A.
Filiación:Instituto de Astronomía y Física Del Espacio (CONICET-UBA), Casilla de Correo 67-Sucursal 28, 1428 Buenos Aires, Argentina
Departamento de Física, FCEN, Pab. i, 1428 Buenos Aires, Argentina
Año:2009
Volumen:79
Número:8
DOI: http://dx.doi.org/10.1103/PhysRevD.79.086004
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:15507998
CODEN:PRVDA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v79_n8_p_Baron

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Citas:

---------- APA ----------
Baron, W.H. & Núñez, C.A. (2009) . Fusion rules and four-point functions in the AdS3 Wess-Zumino-Novikov- Witten model. Physical Review D - Particles, Fields, Gravitation and Cosmology, 79(8).
http://dx.doi.org/10.1103/PhysRevD.79.086004
---------- CHICAGO ----------
Baron, W.H., Núñez, C.A. "Fusion rules and four-point functions in the AdS3 Wess-Zumino-Novikov- Witten model" . Physical Review D - Particles, Fields, Gravitation and Cosmology 79, no. 8 (2009).
http://dx.doi.org/10.1103/PhysRevD.79.086004
---------- MLA ----------
Baron, W.H., Núñez, C.A. "Fusion rules and four-point functions in the AdS3 Wess-Zumino-Novikov- Witten model" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 79, no. 8, 2009.
http://dx.doi.org/10.1103/PhysRevD.79.086004
---------- VANCOUVER ----------
Baron, W.H., Núñez, C.A. Fusion rules and four-point functions in the AdS3 Wess-Zumino-Novikov- Witten model. Phys Rev D Part Fields Gravit Cosmol. 2009;79(8).
http://dx.doi.org/10.1103/PhysRevD.79.086004