Abstract
We study D-instanton solutions in type IIB supergravity on AdS 5 ×T 1,1, which has a dual \( \mathcal{N}=1 \) SU(N ) × SU(N ) super Yang-Mills theory. Apart from ordinary D(-1)-brane instantons, we discuss wrapped D1-branes over minimal 2-cycles and derive explicit solutions preserving half the supersymmetries. These solutions are identified with Yang-Mills instantons which are (anti)self-dual in both gauge group factors with instanton charge (k,k ′). By examining the boundary behaviour of the solutions we discuss the coupling to the corresponding dual boundary operators, and identify their vacuum expectation values. We also discuss the boundary terms and compute the action for these solutions.
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ArXiv ePrint: 1603.00364
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Imaanpur, A. D-instantons in Klebanov-Witten model. J. High Energ. Phys. 2016, 111 (2016). https://doi.org/10.1007/JHEP04(2016)111
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DOI: https://doi.org/10.1007/JHEP04(2016)111