On the critical behavior of (2+1)-dimensional QED

被引：16

作者：

Kotikov, A. V. ^{[1
]}

机构：

[1] JINR, Bogoliubov Lab Theoret Phys, Dubna, Russia

来源：

PHYSICS OF ATOMIC NUCLEI | 2012年 / 75卷 / 07期

关键词：

DIFFERENTIAL-EQUATIONS METHOD; DYNAMIC MASS GENERATION; FEYNMAN DIAGRAMS; BILAYER GRAPHENE; POINT;

D O I：

10.1134/S1063778812070058

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

It is shown the analysis [1] for QED in (2 + 1) dimensions with N four-component fermions in the leading and next-to-leading orders of the 1/N expansion. As it was demonstrated in [1], the range of the admissible values N, where the dynamical fermion mass exists, decreases strongly with the increasing of the gauge charge. So, in Landau gauge the dynamical chiral symmetry breaking appears forN < 3.78, that is very close to the results of the leading order and in Feynman gauge dynamical mass is completely absent.

引用

页码：890 / 892

页数：3

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