S Barabash and D Stroud 1999 J. Phys.: Condens. Matter 11 10323 doi:10.1088/0953-8984/11/50/324
S Barabash and D Stroud
Show affiliationsWe extend the spectral theory used for the calculation of the effective linear response functions of composites to the case of a polycrystalline material with uniaxially anisotropic microscopic symmetry. As an application, we combine these results with a non-linear decoupling approximation as modified by Ma and co-workers, to calculate the third-order non-linear optical susceptibility of a uniaxial polycrystal, assuming that the effective dielectric function of the polycrystal can be calculated within the effective-medium approximation.
77.22.Ch Permittivity (dielectric function)
77.84.-s Dielectric, piezoelectric, ferroelectric, and antiferroelectric materials
Issue 50 (20 December 1999)
Received 27 April 1999, in final form 3 September 1999
S Barabash and D Stroud 1999 J. Phys.: Condens. Matter 11 10323
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