Resurgence of the large-charge expansion

被引：0
|
作者：
Nicola Dondi
Ioannis Kalogerakis
Domenico Orlando
Susanne Reffert
机构：
[1] University of Bern,Albert Einstein Center for Fundamental Physics, Institute for Theoretical Physics
[2] INFN — Sezione di Torino,undefined
[3] Arnold-Regge Center,undefined
来源：
Journal of High Energy Physics | / 2021卷
关键词：
Conformal Field Theory; Global Symmetries; Nonperturbative Effects;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We study the O(2N) model at criticality in three dimensions in the double scaling limit of large N and large charge. We show that the large-charge expansion is an asymptotic series, and we use resurgence techniques to study the non-perturbative corrections and to extend the validity of the eft to any value of the charge. We conjecture the general form of the non-perturbative behavior of the conformal dimensions for any value of N and find very good agreement with previous lattice data.
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