Resurgence of the large-charge expansion
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Publication:2047919
DOI10.1007/JHEP05(2021)035zbMATH Open1466.81100arXiv2102.12488OpenAlexW3131615305MaRDI QIDQ2047919
Author name not available (Why is that?)
Publication date: 4 August 2021
Published in: (Search for Journal in Brave)
Abstract: 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 effective field theory 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.
Full work available at URL: https://arxiv.org/abs/2102.12488
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