paper

D-Instantons on the boundary

arXiv:hep-th/9806197 · doi:10.1016/S0550-3213(98)00760-3

Abstract

The Maldacena's proposal has established an intriguing connection between string theory in AdS spaces and gauge theory. In this paper we study the effects of adding D(-1)-branes to the system of D3- or (D1-D5)-branes and we give arguments indicating that D(-1)-branes are necessary to describe four and two dimensional instantons.

19 pages, latex, no figures; minor changes

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