Effect of quark masses on the QCD pressure in a strong magnetic background

被引：21
|
作者：
Blaizot, Jean-Paul [1 ]
Fraga, Eduardo S. [2 ]
Palhares, Leticia F. [1 ,2 ,3 ]
机构：
[1] CEA Saclay, CNRS URA2306, Inst Phys Theor, F-91191 Gif Sur Yvette, France
[2] Univ Fed Rio de Janeiro, Inst Fis, BR-21941972 Rio De Janeiro, RJ, Brazil
[3] Heidelberg Univ, Inst Theoret Phys, D-69120 Heidelberg, Germany
来源：
PHYSICS LETTERS B | 2013年 / 722卷 / 1-3期
基金：
欧洲研究理事会;
关键词：
Thermal field theory; Quantum chromodynamics; Magnetic fields; Perturbation theory; Quark masses; ELECTRON; MOMENT; EVENT;
D O I：
10.1016/j.physletb.2013.04.004
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We compute the two-loop contribution to the QCD pressure in a strong magnetic background, for arbitrary quark masses. We show that, for very large fields, the chiral limit is trivial. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：167 / 171
页数：5
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