paper

Laplace-difference equation for integrated correlators of operators with general charges in SYM

arXiv:2303.13195 · doi:10.1007/JHEP06(2023)066

Abstract

We consider the integrated correlators associated with four-point correlation functions in four-dimensional supersymmetric Yang-Mills theory (SYM) with gauge group, where is a superconformal primary with charge (or dimension) and the superscript represents possible degeneracy. These integrated correlators are defined by integrating out spacetime dependence with a certain integration measure, and they can be computed via supersymmetric localisation. They are modular functions of complexified Yang-Mills coupling . We show that the localisation computation is systematised by appropriately reorganising the operators. After this reorganisation of the operators, we prove that all the integrated correlators for any , with some crucial normalisation factor, satisfy a universal Laplace-difference equation (with the laplacian defined on the -plane) that relates integrated correlators of operators with different charges. This Laplace-difference equation is a recursion relation that completely determines all the integrated correlators, once the initial conditions are given.

arXiv comment30 pages; v2: references added, typos corrected; v3: typos corrected, version published in JHEP

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