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Significant effects of cross term of Poynting vector on an electromagnetic wave propagation through a slab with low real part of impedance

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Abstract

Energy conversion and conservation for an electromagnetic wave traveling through a slab are analyzed. It is demonstrated that a cross term of Poynting vector may occur due to interference between forward and backward waves in the slab, and may play the leading role if the slab owns low real part of impedance. Several novel electromagnetic phenomena are predicted. For example, both reflection and transmission can be enhanced significantly even if the slab is made of lossy material. This work indicates that materials with low real part of impedance, like left-handed materials and near-zero-refractive-index materials, may hold unique electromagnetic properties and merit further exploration.

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Authors and Affiliations

  1. College of Electronic Science and Engineering, Nanjing University of Posts & Telecommunications, Nanjing, 210046, P.R. China

    Jiangwei Chen, Lili Zhu, Guoxuan Yuan & Zhikuo Tao

  2. National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210093, P.R. China

    Jiangwei Chen

  3. Key Laboratory of Radio Frequency and Micro-Nano Electronics of Jiangsu Province, Nanjing, 210003, P.R. China

    Jiangwei Chen & Zhikuo Tao

Authors
  1. Jiangwei Chen
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  2. Lili Zhu
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  3. Guoxuan Yuan
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  4. Zhikuo Tao
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Correspondence to Jiangwei Chen.

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Chen, J., Zhu, L., Yuan, G. et al. Significant effects of cross term of Poynting vector on an electromagnetic wave propagation through a slab with low real part of impedance. Eur. Phys. J. D 71, 26 (2017). https://doi.org/10.1140/epjd/e2016-70547-0

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  • DOI: https://doi.org/10.1140/epjd/e2016-70547-0

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