Nonlinear Dielectric Polarization in Optical Media by D. A. Kleinman
ID: nonlinear-dielectric-polarization-in-optical-media-by-d-a-kleinman
Physical Review 126, 1977–1979.
Publisher: doi.org/10.1103/PhysRev.126.1977
The abstract separates dispersive lattice response from higher-resonance electronic response and describes additional nonlinear-polarization symmetry constraints.
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