Magnetic levitation from negative permeability materials

被引：4
|
作者：
Coffey, Mark W. [1 ]
机构：
[1] Colorado Sch Mines, Dept Phys, Golden, CO 80401 USA
来源：
PHYSICS LETTERS A | 2012年 / 376卷 / 42-43期
关键词：
Metamaterial; Left-handed material; Permeability; Levitation force; Method of images; Hankel transformation; REFRACTION; INDEX;
D O I：
10.1016/j.physleta.2012.07.024
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
As left-handed materials and metamaterials are becoming more prevalent, we examine the effect of negative permeability upon levitation force. We first consider two half spaces of differing permeability and a point magnetic source. so that the method of images may be employed. We determine that the resulting force may be larger than for conventional magnetic materials. We then illustrate the inclusion of a finite sample thickness. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：2739 / 2742
页数：4
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