CP(N-1) model in aether-superspace

被引：5
|
作者：
Ferrari, A. F. [1 ,2 ]
Lehum, A. C. [3 ]
机构：
[1] Univ Fed Abc, Rua Santa Adelia 166, BR-09210170 Santo Andre, SP, Brazil
[2] Indiana Univ, Ctr Spacetime Symmetries, Bloomington, IN 47405 USA
[3] Univ Fed Para, Fac Fis, BR-66075110 Belem, Para, Brazil
来源：
EPL | 2018年 / 122卷 / 03期
基金：
巴西圣保罗研究基金会;
关键词：
CPN-1; MODEL; DYNAMICS;
D O I：
10.1209/0295-5075/122/31001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper we study the dynamical generation of mass in the Lorentz-violating CP(N-1) model defined in two-and three-dimensional aether-superspace. We show that even though the model presents a phase structure similar to the usual Lorentz-invariant case, the mass dynamically generated by quantum corrections has a dependence on the Lorentz-violating background properties, except for space-like LV vector parameter. This is to be contrasted with the behavior of the quantum electrodynamics in the two-dimensional aether-superspace, where the dynamical generation of mass was shown to exhibit an explicit dependence on the aether parameters in every possible case. Copyright (C) EPLA, 2018
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页数：7
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