N=2 Superconformal Theories and M5 branes
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Mon, 15/02/2010 12:00 |
Sergio Benvenuti (Imperial College) |
String Theory Seminar  |
L3 |
| In 2009 there was progress in understanding and classifying the set of four dimensional field theories with N=2 SUSY. These models arise as M5 branes wrapped over a Riemann surface. We review this construction and describe a five dimensional point of view, using (p,q)-webs of 5-branes in Type IIB string theory. This point of view makes many properties of the theories explicit. We will also touch on the AGT correspondence, that associates a 2-dimensional CFT, similar to the Liouville CFT, to the protected sector of four dimensional N=2 models. | |||