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Yang-Mills instantons in the large N limit and the AdS / CFT correspondence

By N. Doery, V.V. Khoze, M.P. Mattis and S. Vandoren


We examine a certain 16-fermion correlator in N = 4 supersymmetric SU(N) gauge theory\ud in 4 dimensions. Generalizing recent SU(2) results of Bianchi, Green, Kovacs and Rossi,\ud we calculate the exact N-dependence of the effective 16-fermion vertex at the 1-instanton\ud level, and find precise agreement in the large-N limit with the prediction of the type IIB\ud superstring on AdS5×S5. This suggests that the string theory prediction for the 1-instanton\ud amplitude considered here is not corrected by higher-order terms in the α′ expansion

Topics: Natuur- en Sterrenkunde
Publisher: Elsevier
Year: 1998
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