A Study of Negative Permittivity and Permeability for Small Sphere

被引：12
|
作者：
Mei, Zicong [1 ]
Sarkar, Tapan K. [1 ]
Salazar-Palma, Magdalena [2 ]
机构：
[1] Syracuse Univ, Dept Elect Engn & Comp Sci, Syracuse, NY 13244 USA
[2] Univ Carlos III Madrid, Dept Teoria Senal & Commun, Leganes 28911, Spain
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2013年 / 12卷
关键词：
Mie's series; negative permittivity and permeability;
D O I：
10.1109/LAWP.2013.2282331
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
When analyzing a small dielectric sphere with Mie's series or at low frequencies, we will have singularities if the permittivity or permeability is -2. This letter shows that for electrodynamic situation, this singularity is only a result of error in the asymptotic analysis and will not appear in actual cases. However, for the electrostatic case, if one can create a permittivity of -2, this singularity does result in an infinite field.
引用
收藏
页码：1228 / 1231
页数：4
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