Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-07-03
JHEP 9808 (1998) 013
Physics
High Energy Physics
High Energy Physics - Theory
41 pages, LaTeX. Typos corrected and minor clarifications added
Scientific paper
10.1088/1126-6708/1998/08/013
The one-instanton contributions to various correlation functions of supercurrents in four-dimensional N=4 supersymmetric SU(2) Yang-Mills theory are evaluated to the lowest order in perturbation theory.Expressions of the same form are obtained from the leading effects of a single D-instanton extracted from the IIB superstring effective action around the AdS5*S5 background. This is in line with the suggested AdS/Yang-Mills correspondence. The relation between Yang--Mills instantons and D-instantons is further confirmed by the explicit form of the classical D-instanton solution in the AdS5*S5 background and its associated supermultiplet of zero modes. Speculations are made concerning instanton effects in the large-N_c limit of the SU(N_c) Yang-Mills theory.
Bianchi Massimo
Green Michael B.
Kovacs Stefano
Rossi Giancarlo
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