Magnetic properties of scalar particles - the scalar Aharonov-Casher effect and supersymmetry

被引：7
|
作者：
He, XG [1 ]
McKellar, BHJ
机构：
[1] Peking Univ, Dept Phys, Beijing 100871, Peoples R China
[2] Natl Taiwan Univ, Dept Phys, Taipei 10764, Taiwan
[3] Univ Melbourne, Sch Phys, Parkville, Vic 3052, Australia
来源：
PHYSICS LETTERS B | 2003年 / 559卷 / 3-4期
关键词：
D O I：
10.1016/S0370-2693(03)00245-4
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The original topological Aharonov-Casher (AC) effect is due to the interaction of the anomalous magnetic dipole moment (MDM) with certain configurations of electric field. Naively one would not expect an AC effect for a scalar particle for which no anomalous MDM can be defined in the usual sense. In this Letter we study the AC effect in supersymmetric systems. In this framework there is the possibility of deducing the AC effect of a scalar particle from the corresponding effect for a spinor particle. In 3 + 1 dimensions such a connection is not possible because the anomalous MDM is zero if supersymmetry is an exact symmetry. However, in 2 + 1 dimensions it is possible to have an anomalous MDM even with exact supersymmetry.
引用
收藏
页码：263 / 269
页数：7
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