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Books > Science & Mathematics > Physics > Optics (light)
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Crystal Optics with Spatial Dispersion, and Excitons (Paperback, 2nd ed. 1984. Softcover reprint of the original 2nd ed. 1984)
Loot Price: R1,583
Discovery Miles 15 830
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Crystal Optics with Spatial Dispersion, and Excitons (Paperback, 2nd ed. 1984. Softcover reprint of the original 2nd ed. 1984)
Series: Springer Series in Solid-State Sciences, 42
Expected to ship within 10 - 15 working days
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Spatial dispersion, namely, the dependence of the
dielectric-constant tensor on the wave vector (i.e., on the
wavelength) at a fixed frequency, is receiving increased attention
in electrodynamics and condensed-matter optics, partic ularly in
crystal optics. In contrast to frequency dispersion, namely, the
frequency dependence of the dielectric constant, spatial dispersion
is of interest in optics mainly when it leads to qualitatively new
phenomena. One such phenomenon has been weH known for many years;
it is the natural optical activity (gyrotropy). But there are other
interesting effects due to spatial dispersion, namely, new normal
waves near absorption lines, optical anisotropy of cubic crystals,
and many others. Crystal optics that takes spatial dispersion into
account includes classical crystal optics with frequency dispersion
only, as a special case. In our opinion, this fact alone justifies
efforts to develop crystal optics with spatial dispersion taken
into account, although admittedly its influence is smaH in some
cases and it is observable only under rather special conditions.
Furthermore, spatial dispersion in crystal optics deserves
attention from another point as well, namely, the investigation of
excitons that can be excited by light. We contend that crystal
optics with spatial dispersion and the theory of excitons are
fields that overlap to a great extent, and that it is sometimes
quite impossible to separate them. It is our aim to show the true
interplay be tween these interrelations and to combine the
macroscopic and microscopic approaches to crystal optics with
spatial dispersion and exciton theory."
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