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^-1...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 8 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.展开更多
基金Sponsored by the Natural Science Foundation of Liaoning Province (Grant No.20092146)
文摘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 8 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.