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Instantons and Emergent AdS3 x S3 Geometry

Heng-Yu Chen, David Tong

hep-tharXiv:hep-th/0604090

Abstract

Two dimensional N=(4,4) gauge theories flow to interacting superconformal field theories on their Higgs branch. We examine worldsheet instantons in these theories through the eyes of a D-brane construction. The effective instanton partition function is shown to reveal an emergent background AdS3 x S3 geometry.

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