Non-perturbative large N trans-series for the Gross-Witten-Wadia beta function

被引:7
作者
Ahmed, Anees [1 ]
Dunne, Gerald, V [1 ]
机构
[1] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA
关键词
RENORMALIZATION-GROUP APPROACH; 2-DIMENSIONAL QCD; PHASE-TRANSITION;
D O I
10.1016/j.physletb.2018.08.072
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We describe the non-perturbative trans-series, at both weak-and strong-coupling, of the large N approximation to the beta function of the Gross-Witten-Wadia unitary matrix model. This system models a running coupling, and the structure of the trans-series changes as one crosses the large N phase transition. The perturbative beta function acquires a non-perturbative trans-series completion at large but finite Nin the 't Hooft limit, as does the running coupling. (C) 2018 The Authors. Published by Elsevier B.V.
引用
收藏
页码:342 / 346
页数:5
相关论文
共 34 条