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

来源：

PHYSICS LETTERS B | 2018年 / 785卷

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

页码：342 / 346

页数：5

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