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D-instantons on orbifolds and gauge/gravity correspondence

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arxiv hep-th/0201102 v2 pith:2D6VXBME submitted 2002-01-15 hep-th

D-instantons on orbifolds and gauge/gravity correspondence

classification hep-th
keywords gauged-instantonsd3-branesorbifoldspacestheoriesanomalybeta-function
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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D-instantons are used to probe the near-horizon geometry of D3-branes systems on orbifold spaces. For fractional D3-branes, D-instanton calculus correctly reproduces the gauge beta-function and U(1)_R anomaly of the corresponding N=2 non-conformal Super Yang-Mills theories. For D3-branes wrapping the orbifold singularity, D-instantons can be identified with gauge instantons on ALE space, providing evidence of AdS/CFT duality for gauge theories on curved spaces.

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