NJL and QCD from string theory

@inproceedings{Antonyan2006NJLAQ,
  title={NJL and QCD from string theory},
  author={Eduard Antonyan and Jeffrey A. Harvey and S. Jensen and David Kutasov},
  year={2006}
}
We study a configuration of D-branes in string theory that is described at low energies by a four-dimensional field theory with a dynamically broken chiral symmetry. In a certain region of the parameter space of the brane configuration the low-energy theory is a non-local generalization of the Nambu-Jona-Lasinio (NJL) model. This vector model is exactly solvable at large N_c and dynamically breaks chiral symmetry at arbitrarily weak 't Hooft coupling. At strong coupling the dynamics is… CONTINUE READING

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