%0 Journal Article %T Large N field theories from superstrings %A J. G. Russo %J Physics %D 2000 %I arXiv %X These are introductory lectures on the correspondence between SU(N) gauge theories and Superstring Theory in anti-de Sitter geometries (AdS). The subject combines a number of different topics, including supersymmetric field theory, classical and quantum physics of black holes, string theory, string dualities, conformal field theories (CFT), and quantum field theory in anti-de Sitter spaces. We also discuss applications of this AdS/CFT correspondence to the large $N$ dynamics of pure QCD. %U http://arxiv.org/abs/hep-th/0008212v1