Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-12-22
Fortsch.Phys. 52 (2004) 578-582
Physics
High Energy Physics
High Energy Physics - Theory
Talk given by I.K. at 36th International Symposium Ahrenshoop on the Theory of Elementary Particles: Recent Developments in St
Scientific paper
10.1002/prop.200310147
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 \bar\psi\psi 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.
Babington James
Erdmenger Johanna
Evans Nick
Guralnik Zachary
Kirsch Ingo
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