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On the Maxwell–Garnett model of chiral composites

Published online by Cambridge University Press:  31 January 2011

Akhlesh Lakhtakia ,
Vijay K. Varadan  and
Vasundara V. Varadan
Akhlesh Lakhtakia
Affiliation:
Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pennsylvania 16802-1401
Vijay K. Varadan
Affiliation:
Research Center for the Engineering of Electronic and Acoustic Materials and Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pennsylvania 16802-1401
Vasundara V. Varadan
Affiliation:
Research Center for the Engineering of Electronic and Acoustic Materials and Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pennsylvania 16802-1401
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Abstract

The Maxwell–Garnett model for isotropic chiral spherical inclusions in free space has been briefly reviewed, and pertinent results for the effective intrinsic and extrinsic properties of the composite medium, along with useful Taylor expansions, have been obtained in the Drude–Born–Fedorov representation. It has been shown that this model does not yield the chirality parameter of the composite independently of the permeability and the permittivity, and treats the permeability and the permittivity as duals of each other. Finally, even if the inclusions are nonmagnetic, the composite medium may not be necessarily so. It is anticipated that the formulae derived here will not only assist in the formulation of more rigorous multiple scattering theories, but will also aid designers of chiral composites.

Type
Articles
Information
Journal of Materials Research , Volume 8 , Issue 4 , April 1993 , pp. 917 - 922
Copyright
Copyright © Materials Research Society 1993

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References

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