Effective-medium properties of metamaterials: a quasimode theory.

  title={Effective-medium properties of metamaterials: a quasimode theory.},
  author={Shulin Sun and S. T. Chui and Lei Zhou},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  volume={79 6 Pt 2},
Under the generalized coherent-potential approximation, we established a "quasimode" theory to study the effective-medium properties of electromagnetic metamaterials. With this theory, we calculate the self-energy, density of states (DOS), and mean-free paths for optical modes traveling inside a metamaterial, and then determine the effective permittivity and permeability of the metamaterial by maximizing the DOS function. Compared with the traditional methods for calculating effective-medium… CONTINUE READING

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