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Abstract:

Using the correspondence between gauge theories and string theory in curved backgrounds, we investigate aspects of the large-N limit of non-commutative gauge theories by considering gravity solutions with B fields. We argue that the total number of physical degrees of freedom at any given scale coincides with the commutative case. We then compute a two-point correlation function involving momentum components in the directions of the B-field. In the infrared regime it reproduces the usual behavior of the commutative gauge theory (i.e. of the form k 4 log k 2 ). In the UV regime, we find that the two-point function decays exponentially with the momentum. A calculation of Wilson lines suggests that strings cannot be localized near the boundary. We also find string configurations that are localized in a finite region of the radial direction. These are worldsheet instantons.

Registro:

Documento: Artículo
Título:Large-N limit of non-commutative gauge theories
Autor:Maldacena, J.M.; Russo, J.G.
Filiación:Department of Physics, Harvard University, Cambridge, MA 02138, United States
Departamento de Física, Universidad de Buenos Aires Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:Black holes in string theory; Brane dynamics in gauge theories; Duality in gauge field theories
Año:1999
Volumen:3
Número:9
Página de inicio:XXXV
Página de fin:18
Título revista:Journal of High Energy Physics
Título revista abreviado:J. High Energy Phys.
ISSN:10298479
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10298479_v3_n9_pXXXV_Maldacena

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Citas:

---------- APA ----------
Maldacena, J.M. & Russo, J.G. (1999) . Large-N limit of non-commutative gauge theories. Journal of High Energy Physics, 3(9), XXXV-18.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10298479_v3_n9_pXXXV_Maldacena [ ]
---------- CHICAGO ----------
Maldacena, J.M., Russo, J.G. "Large-N limit of non-commutative gauge theories" . Journal of High Energy Physics 3, no. 9 (1999) : XXXV-18.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10298479_v3_n9_pXXXV_Maldacena [ ]
---------- MLA ----------
Maldacena, J.M., Russo, J.G. "Large-N limit of non-commutative gauge theories" . Journal of High Energy Physics, vol. 3, no. 9, 1999, pp. XXXV-18.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10298479_v3_n9_pXXXV_Maldacena [ ]
---------- VANCOUVER ----------
Maldacena, J.M., Russo, J.G. Large-N limit of non-commutative gauge theories. J. High Energy Phys. 1999;3(9):XXXV-18.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10298479_v3_n9_pXXXV_Maldacena [ ]