Comment on 'Eigenfunction expansion of the dyadic Green's function in a gyroelectric chiral medium by cylindrical vector wave functions'

摘要

We have examined the paper by Dajun Cheng [Phys. Rev. E 55, 1950 (1997)]. It turns out that the theoretical results derived in the above paper are erroneous, and the method developed in the above paper is also questionable. [S1063-651X(99)08503-7]. [References: 11]