Electromagnetic Energy in Negative Index Materials

被引：0
|
作者：
Shivanand [1 ]
Webb, Kevin J. [1 ]
机构：
[1] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA
来源：
2012 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM (APSURSI) | 2012年
关键词：
DENSITY;
D O I：
暂无
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：
An exact separation of both electric and magnetic energies into stored and lost energies is shown to be possible in the special case when the wave impedance is independent of frequency. Using an example metamaterial response that provides a negative refractive index, it is shown that negative time-averaged stored energy can occur, with total energy that remains positive.
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