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色散和吸收介质中的电磁能量密度 被引量：1

Electromagnetic Energy Density in a Dispersive and Absorptive Material
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摘要 利用电偶极子和磁偶极子模型推导出电磁色散和吸收介质中的能量密度,并将该结论应用于计算左手介质中的能量传播速度,所得结果与实验一致. The energy density associated with an electromagnetic wave passing through a medium, in which both the permittivity and the permeability are dispersive and absorptive, is derived. The energy density formula is applied to the calculation of the energy transpost velocity in a left-handed material. The result is identical with the experiment.
作者 李继军 吴耀德 宋明玉
机构地区 长江大学物理科学与技术学院
出处 《郑州大学学报（理学版）》 CAS 2008年第2期75-77,共3页 Journal of Zhengzhou University:Natural Science Edition
基金 长江大学科研发展基金资助项目 编号2006Z2074
关键词 电磁能量密度 左手材料 色散 吸收 electromagnetic energy left-handed material dispersive absorptive
分类号 O441.6 [理学—电磁学]
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参考文献7

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同被引文献20

  • 1PendryJ B. Negative refraction makes a perfect lens[J]. Physical Review Letters, 2000, 85(18): 3966 -3969.
  • 2Schurig D, Mock J J, Justice B J,et al. Metamaterial electromagnetic cloak at microwave frequencies[J]. Science, 2006, 314(5801) :977 980.
  • 3Houck A A, Brock J B, Chuang I L. Experimental observations of a left handed material that obeys snell's law[J]. Phys ical Review Letters, 2003, 90(13):137401-1-4.
  • 4Shelby R A, Smith D R, Schulrz S. Experimental verification of a negative index of refraction[J]. Science, 2001, 292 (5514) :77- 79.
  • 5Chen Hongsheng, Ran Lixin, Huangfu Jiangtao, et al. Left-handed materials composed of only S-shaped resonators[J]. Physical Review E, 2004, 70(5) :057605-1-4.
  • 6Huangfu Jiangtao, Ran Lixin, Chen Hongsheng, et al. Experimental confirmation of negative refractive index of a metamaterial composed of Ω-like metallic patterns[J].Applied Physics Letters, 2004, 84(9) : 1537 1539.
  • 7Zhou Jiangfeng, Koschny T, Zhang Lei, et al. Experimental demonstration of negative index of refraction[J]. Applied Physics Letters, 2006, 88(22): 221103 221105.
  • 8Wang F M, Liu H, Li T, et al. Metamaterial of rod pairs standing on gold plate and its negative refraction property in the far-infrared frequencyregime[J]. Physical ReviewE, 2007,75(1)~ 016604 1 4.
  • 9Kafesaki M, Tsiapa I, Katsarakis N, et al. Left-handed metamaterials: the fishnet structure and its variations[J]. Physical Review B, 2007, 75(23): 235114 -1 -9.
  • 10Lain V D, Kim J B, Lee S J, et al. Left-handed behavior of combined and fishnet structures[J]. Journal of Applied Physics, 2008,103 (3) : 033107-1-4.

引证文献1

郑州大学学报（理学版）
2008年 第2期

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