Nonlinear Dielectric Polarization in Optical Media by D. A. Kleinman (source code)

= Nonlinear Dielectric Polarization in Optical Media by D. A. Kleinman
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{tag=Work by D. A. Kleinman}
{title2=1962}

Physical Review 126, 1977–1979.

Publisher: https://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.