Effects of anisotropy in (2+1)-dimensional QED

被引：3

作者：

Bonnet, Jacqueline A. ^{[1
]}

Fischer, Christian S. ^{[1
,2
]}

Williams, Richard ^{[3
]}

机构：

[1] Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany

[2] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany

[3] Univ Complutense, Dept Fis Teor 1, E-28040 Madrid, Spain

来源：

PROGRESS IN PARTICLE AND NUCLEAR PHYSICS | 2012年 / 67卷 / 02期

关键词：

Quantum electrodynamics; Dyson-Schwinger equations; Chiral symmetry breaking; High-Tc superconductors; Anisotropies;

D O I：

10.1016/j.ppnp.2011.12.026

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：

We summarize our results for the impact of anisotropic fermionic velocities in (2 + 1)-dimensional QED on the critical number of fermion flavors. N-f(c), and dynamical mass generation. We apply different approximation schemes for the gauge boson vacuum polarization and the fermion-boson vertex to analyze the Dyson-Schwinger equations in a finite volume. Our results point toward large variations of N-f(c) away from the isotropic point in agreement with other approaches. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：245 / 249

页数：5

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