Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-04-16
JHEP 0806:050,2008
Physics
High Energy Physics
High Energy Physics - Theory
1+13 pages, minor changes, added refrences, version to appear in JHEP
Scientific paper
10.1088/1126-6708/2008/06/050
We consider a mirror dual of the Berkovits-Vafa A-model for the BPS superstring on $AdS_5\times S^5$ in the form of a deformed superconifold. Via geometric transition, the theory has a dual description as the hermitian gaussian one-matrix model. We show that the A-model amplitudes of generic $AdS_2\times S^4$ branes, breaking the superconformal symmetry as $U(2,2|4)\to OSp(4^*|4)$, are evaluated in terms of observables in the matrix model. As such, upon the usual identification $g_{YM}^2=g_s$, these can be expanded as Drukker-Gross circular 1/2-BPS Wilson loops in the perturbative regime of ${\cal N}=4$ SYM.
Bonelli Giulio
Safaai Houman
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