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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2011-11-30
Propagation of Electromagnetic Fields in Near and Far Zones: Actualized Approach with Non-Zero Trace Electro-Magnetic Energy-Momentum Tensor
By
Alexander L. Kholmetskii,

    Dr. Alexander L. Kholmetskii

    Belarusian State University

    Byelarus

    Homepage

Oleg V. Missevitch,

    Dr. Oleg V. Missevitch

    Belarus State University

    Belarus

    Homepage

R. Smirnov-Rueda,

    Dr. R. Smirnov-Rueda

    Faculty of Mathematics

    Complutense University

    Spain

    Homepage

Tolga Yarman

    Dr. Tolga Yarman

    Department of Engineering

    Okan University

    Turkey

    Homepage

Progress In Electromagnetics Research M, Vol. 22, 57-72, 2012
doi:10.2528/PIERM11101407 | Google Scholar

Abstract
The present work is motivated by our recent experimental results [2-4] that indicate on anomalously small retardation of bound (or velocity-dependent) electromagnetic (EM) fields in the near zone of an emitter, whereas in the far zone the retardation tends to the standard value determined by the velocity of light c. Such anomaly is specific only for bound field component, while EM radiation has the constant propagation velocity c in the entire space. One possible explanation of these experimental results can be linked to our earlier finding [6, 8] that conventional EM energy-momentum (EMEM) tensor describes bound and radiative EM fields only in spatial regions free of charges and currents. In this work we show that an additional term has to be included into the standard EMEM tensor in order to make viable the description of the whole system of ``charges plus fields". Such approach to the EMEM tensor actually admits anomalously small retardation of bound EM fields in regions very close to a field source, providing the standard propagation in the far zone. Some special implications are also discussed.
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Citation
Alexander L. Kholmetskii, Oleg V. Missevitch, R. Smirnov-Rueda, and Tolga Yarman, "Propagation of Electromagnetic Fields in Near and Far Zones: Actualized Approach with Non-Zero Trace Electro-Magnetic Energy-Momentum Tensor," Progress In Electromagnetics Research M, Vol. 22, 57-72, 2012.
doi:10.2528/PIERM11101407
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