Equilibrium dielectric properties are discussed for a multi-component medium consisting of suspended ellipsoidal microparticles in a homogeneous background host medium. An estimate is given of the electric-field induced orientation time for forming optical anisotropy.
S O. Sari,
"Equilibrium Dielectric Properties Of Birefringent Artificial Kerr Media", Proc. SPIE 0464, Solid-State Optical Control Devices, (23 May 1984); doi: 10.1117/12.966222; https://doi.org/10.1117/12.966222