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A gravity dual of chiral symmetry breaking

A gravity dual of chiral symmetry breaking
A gravity dual of chiral symmetry breaking
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.
0015-8208
578-582
Babington, J.
9fed0047-d562-4fae-9042-d5a64d5f0c01
Erdmenger, J.
22f87c1c-747a-4bd8-94d4-924d0031a64d
Evans, N.J.
33dfbb52-64dd-4c1f-9cd1-074faf2be4b3
Guralnik, Z.
837ab0f6-8b5d-45a3-8563-be347d9751d4
Kirsch, I.
dd7b4adb-06d9-48f6-be5e-49419513a901
Babington, J.
9fed0047-d562-4fae-9042-d5a64d5f0c01
Erdmenger, J.
22f87c1c-747a-4bd8-94d4-924d0031a64d
Evans, N.J.
33dfbb52-64dd-4c1f-9cd1-074faf2be4b3
Guralnik, Z.
837ab0f6-8b5d-45a3-8563-be347d9751d4
Kirsch, I.
dd7b4adb-06d9-48f6-be5e-49419513a901

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), 578-582. (doi:10.1002/prop.200310147).

Record type: Article

Abstract

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

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Local EPrints ID: 57023
URI: http://eprints.soton.ac.uk/id/eprint/57023
ISSN: 0015-8208
PURE UUID: 2fcea4bf-0820-44df-97c0-e4669fd3a4fb

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Date deposited: 13 Aug 2008
Last modified: 15 Mar 2024 11:04

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Contributors

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

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