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A gravity dual of chiral symmetry breaking

Babington, J., Erdmenger, J., Evans, N.J., Guralnik, Z. and Kirsch, I. (2004) A gravity dual of chiral symmetry breaking Fortschritte der Physik, 52, (6-7), pp. 578-582. (doi:10.1002/prop.200310147).

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We establish a holographic description of chiral symmetry breaking for a particular confining large N non-supersymmetric gauge theory with matter in the fundamental representation. The gravity dual of this theory is obtained by introducing a D7-brane probe into a deformed Anti-de Sitter background found by Constable and Myers. We numerically compute the condensate and meson spectrum by solving the equation of motion of the D7-brane probe in this background. We find a symmetry breaking condensate as well as the associated, pion-like, Goldstone boson in the limit of small quark mass. The existence of the condensate ensures that the D7-brane never reaches the naked singularity at the origin of the deformed AdS space.

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Published date: 13 May 2004


Local EPrints ID: 57023
ISSN: 0015-8208
PURE UUID: 2fcea4bf-0820-44df-97c0-e4669fd3a4fb

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Date deposited: 13 Aug 2008
Last modified: 17 Jul 2017 14:29

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Author: J. Babington
Author: J. Erdmenger
Author: N.J. Evans
Author: Z. Guralnik
Author: I. Kirsch

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