Titlebook: Crystal Optics with Spatial Dispersion, and Excitons; Vladimir M. Agranovich,Vitaly Ginzburg Book 1984Latest edition Springer-Verlag Berli

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Introduction, connection with basic problems of crystal optics. Methods are discussed, within the framework of macroscopic electrodynamics, for a theoretical investigation of these waves, making use of the dielectric-constant tensor as a characteristic of the medium. This chapter illustrates the frequency and sp

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The Tensor ,,(,) in Crystals,e tensor ..(.) and its use within the framework of macroscopic electrodynamics are possible only under the condition . ≪ 1, . being the lattice constant. Hence, spatial dispersion is weak in crystal optics, and the function ..(.) or ...(.) can be replaced by a series expansion in powers of . The fea

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Microscopic Theory, for the region of exciton resonances. This expression is used as the basis for examining the dispersion of the refractive index for normal waves. The procedure for calculating tensor . .(.) for molecular crystals is described in detail, in particular, by the local field method. Special features of

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