paper

Cardy Formula for 4d SUSY Theories and Localization

arXiv:1611.00380 · doi:10.1007/JHEP04(2017)055

Abstract

We study 4d supersymmetric theories on a compact Euclidean manifold of the form . Partition functions of gauge theories on this background can be computed using localization, and explicit formulas have been derived for different choices of the compact manifold . Taking the limit of shrinking , we present a general formula for the limit of the localization integrand, derived by simple effective theory considerations, generalizing the result of arXiv:1512.03376. The limit is given in terms of an effective potential for the holonomies around the , whose minima determine the asymptotic behavior of the partition function. If the potential is minimized in the origin, where it vanishes, the partition function has a Cardy-like behavior fixed by , while a nontrivial minimum gives a shift in the coefficient. In all the examples that we consider, the origin is a minimum if .

43 pages, v2: references added, changed slightly discussion in section 5

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