Chiral Symmetry Breaking and Intersecting D-brane Systems

These lectures discuss a holographic approach to chiral symmetry breaking utilizing intersecting D-brane systems. Two models are discussed, one which at weak coupling is related to the 3 + 1-dimensional Nambu-Jona-Lasinio model, and another which is related to the 1 + 1-dimensional Gross-Neveu model. Both models exhibit chiral symmetry breaking at strong coupling.