Reciprocity relationships for electromagnetic fields with general time dependence in bianisotropic media are derived and discussed. Constitutive relations of complementary media are defined to warrant a modified reciprocity relationship. As a consequence, the magnetoelectric media, the Tellegen media, and the moving media are all nonreciprocal. The complementary media to uniformly moving media with symmetrical permeability and permittivity tensors in their rest frames of reference are the same ones moving in the opposite direction.
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Jin Au Kong (1970) studied this question.
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