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Last update: 23/03/2003

 Houches March 2003

École de physique des Houches

P Di Vecchia
Gauge theories from D-branes


Abstract:

In these lectures we will discuss the origin of D branes and their description in string theory. In particular we will show that the coordinates of a Dp brane consist of a gauge field and of a number of scalar fields corresponding to the directions transverse to the brane. This implies that the dynamics of D branes can be used to study the properties of the gauge theory living on their worldvolume and viceversa. This property that goes under the name of gauge-gravity correspondence will be used to get a non trivial information on perturbative and nonperturbative properties of the gauge theory living on the worldvolume of a D brane.

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