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Spectral-domain dyadic Green’s functions in chiral media

本站小编 哈尔滨工业大学/2019-10-23

Spectral-domain dyadic Green’s functions in chiral media

ZHONG Hai-yang, QinZiAn, YaoLi, ChenBaoJiu

Dept. of Physics, Dalian Maritime University, Dalian 116026, China



Abstract:

A novel method of deriving the electromagnetic dyadic Green’s functions in an unbounded, lossless, reciprocal and homogeneous chiral media described by the constitutive relations D=εE+jγB and H=jγE+μ-1B-(ωε)-1γJ is given. The divergenceless and irrotational splitting of dyadic Dirac δ function and Fourier transformation are used to directly obtain the divergenceless and irrotational component of spectral-domain dyadic Green’s functions in chiral media. This method avoids using the dyadic Green’s function eigenfunction expansion technique. The method given here can be generalized to a source-free region and an achiral case.

Key words:  electromagnetic dyadic Green’s function  divergenceless component  irrotational component  dyadic Dirac δ function  Fourier transformation

DOI:10.11916/j.issn.1005-9113.2009.06.016

Clc Number:TP301

Fund:


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