# Anisotropic dielectric sphere

1. Apr 24, 2012

### david12345678

I need dipole moment of anisotropic dielectric sphere
The dielectric tensor is given in cartesian matrix
I try to find the potential inside and outside by expanding spherical harmonics
But sinece the dielectric tensor is cartesian
I have a cartesian derivatives of potential in electric induction D
When I plug it in the boundary condition
D normal is continuous
I end up with nonlinear spherical harmonics (inverse or squared or cubed)
So, I can not find the coefficients and stuck