paper

Three-sphere free energy for classical gauge groups

arXiv:1312.0920 · doi:10.1007/JHEP02(2014)037

Abstract

In this note, we calculate the free energy of 3-d supersymmetric gauge theories with , , and gauge groups and matter hypermultiplets in the fundamental and two-index tensor representations. Supersymmetric localization reduces the computation of to a matrix model that we solve in the large limit using two different methods. The first method is a saddle point approximation first introduced in arXiv:1011.5487, which we extend to next-to-leading order in . The second method generalizes the Fermi gas approach of arXiv:1110.4066 to theories with symplectic and orthogonal gauge groups, and yields an expression for valid to all orders in . In developing the second method, we use a non-trivial generalization of the Cauchy determinant formula.

47 pages, 1 figure; v2: refs added, minor improvements; v3: corrected count of eigenvalues in the Fermi gas approach

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