13–15 Jun 2022
Palazzo Franchetti - Venice
Europe/Rome timezone

Exact results in a N=2 SCFT at strong coupling

14 Jun 2022, 15:05
35m
Palazzo Franchetti - Venice

Palazzo Franchetti - Venice

Speaker

Alessandro Pini (Università di Torino)

Description

We consider the N=2 SYM theory with gauge group SU(N) and a matter content consisting of one multiplet in the symmetric and one in the anti-symmetric representation of the gauge group. This theory is conformal and it admits a large-N 't Hoof t expansion and a gravity dual given by a particular orientifold of AdS_5 X S^5. We analyze this theory relying on
the matrix model provided by localization à la Pestun. Even if this matrix model has very non-trivial interactions, by exploiting the full Lie algebra approach to the matrix integration, we show that a large class of observables can be expressed in a closed form in terms of an infinite matrix depending on the 't Hooft coupling lambda. These exact expressions can be used to generate the perturbative expansions at high orders and also to analytically study the leading behavior at strong coupling.
Finally we compare these predictions to a direct Monte Carlo numerical evaluation of the matrix integral and to the Padé resummation derived from very long perturbative series. We also discuss the generalization of these results for a circular quiver gauge theory.

Presentation materials