CPT theorem in a (5+1) Galilean space-time

被引：3
|
作者：
Kobayashi, M. [1 ,2 ]
de Montigny, M. [1 ,3 ]
Khanna, F. C. [1 ,4 ]
机构：
[1] Univ Alberta, Inst Theoret Phys, Edmonton, AB T6G 2J1, Canada
[2] Gifu Univ, Dept Phys, Gifu 5011193, Japan
[3] Univ Alberta, Edmonton, AB T6C 4G9, Canada
[4] TRIUMF, Vancouver, BC V6T 2A3, Canada
来源：
PHYSICS LETTERS A | 2008年 / 372卷 / 20期
基金：
加拿大自然科学与工程研究理事会;
关键词：
CPT invariance; Galilean symmetry; Lorentz symmetry;
D O I：
10.1016/j.physleta.2008.02.024
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We extend the 5-dimensional Galilean space-time to a (5 + 1) Galilean space-time in order to define a parity transformation in a covariant manner. This allows us to discuss the discrete symmetries in the Galilean space-time, which is embedded in the (5 + 1) Minkowski space-time. We discuss the Dirac-type field, for which we give the 8 x 8 gamma matrices explicitly. We demonstrate that the CPT theorem holds in the (5 + 1) Galilean space-time. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：3541 / 3547
页数：7
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