Further Considerations

  • Kikuo ChoEmail author
Part of the Springer Tracts in Modern Physics book series (STMP, volume 237)


More detailed discussions are given about the problems of metamaterials from both formal and specific points of view. The latter is the dispersion curves in left-handed chiral medium in resonant region, which critically distinguishes DBF equations from the present (ChC) equations. As a peculiar example of problems with invalid LWA, resonant Bragg scattering is discussed, which enables us to distinguish left- from right-handed quartz crystals. How to treat the interaction energy of induced charge densities is shown to lead to different standpoints on choosing pure external field or full Maxwell field as the source of induced current density. This may cause a problem in homogenizing metamaterials as to the validity of LWA. A brief discussion is given about the extension to nonlinear processes.


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© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Toyota Physical and Chemical Research InstituteAichiJapan

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