N = 1 super quantum chromo dynamics and fractional branes

摘要

In this talk we show how to get the one-loop beta function and the chiral anomaly ofN = 1 super QCD from a stack of fractionalN D3-branes localized inside the world-volume of 2M fractionalD7-branes in the orbifoldC 3/(Z ₂ ×Z ₂). They are obtained by analyzing the classical supergravity background generated by such a brane configuration, in the spirit of the gauge/gravity correspondence.