Electromagnetic chirality-induced negative refraction with the same amplitude and anti-phase of the two chirality coefficients

被引：8
作者：
Zhao Shun-Cai [1 ,2 ,3 ]
Liu Zheng-Dong [1 ,2 ,3 ]
Zheng Jun [1 ,2 ,3 ]
Li Gen [1 ,2 ,3 ]
机构：
[1] Nanchang Univ, Sch Mat Sci & Engn, Nanchang 330031, Peoples R China
[2] Nanchang Univ, Engn Res Ctr Nanotechnol, Nanchang 330047, Peoples R China
[3] Nanchang Univ, Inst Modern Phys, Nanchang 330031, Peoples R China
来源：
CHINESE PHYSICS B | 2011年 / 20卷 / 06期
基金：
中国国家自然科学基金;
关键词：
electromagnetic chirality; negative refraction; same amplitude and anti-phase; chirality coefficients; INDEX;
D O I：
10.1088/1674-1056/20/6/067802
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This paper suggests a scheme of electromagnetic chirality-induced negative refraction utilizing magneto electric cross coupling in a four-level atomic system. The negative refraction can be achieved with the two chirality coefficients having the same amplitude but the opposite phase, without requiring the simultaneous presence of an electric-dipole and a magnetic-dipole transition near the same transition frequency.
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页数：6
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