The quark condensate in multi-flavour QCD - planar equivalence confronting lattice simulations

被引：4

作者：

Armoni, Adi ^{[1
]}

Shifman, Mikhail ^{[2
]}

Shore, Graham ^{[1
]}

Veneziano, Gabriele ^{[3
,4
]}

机构：

[1] Swansea Univ, Dept Phys, Swansea SA2 8PP, W Glam, Wales

[2] Univ Minnesota, William I Fine Theoret Phys Inst, Minneapolis, MN 55455 USA

[3] CERN, PH Dept, CH-1211 Geneva 23, Switzerland

[4] Coll France, F-75005 Paris, France

来源：

PHYSICS LETTERS B | 2015年 / 741卷

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1016/j.physletb.2014.12.035

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Planar equivalence between the large N limits of N = 1 Super Yang-Mills (SYM) theory and a variant of QCD with fermions in the antisymmetric representation is a powerful tool to obtain analytic non-perturbative results in QCD itself. In particular, it allows the quark condensate for N = 3 QCD with quarks in the fundamental representation to be inferred from exact calculations of the gluino condensate in N = 1 SYM. In this paper, we review and refine our earlier predictions for the quark condensate in QCD with a general number n(f) of flavours and confront these with lattice results. (C) 2014 The Authors. Published by Elsevier B. V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

引用

页码：184 / 189

页数：6

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