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Special Points in the Brillouin Zone

Physical review. B, Solid state · 1973 · Vol. 8(12) · pp. 5747–5753
D. J. ChadiMarvin L. Cohen

Abstract

We present sets of special points in the Brillouin zone from which the average over the Brillouin zone of a periodic function of wave vector (e.g., energy, charge density, dipole matrix elements, etc.) can be determined in a simple and accurate way once the values of the function at these points are specified. We discuss a method for generating the special-point sets and apply it to the case of crystals with cubic and hexagonal Bravais lattices.

Photorefractive and Nonlinear OpticsPhotonic Crystals and ApplicationsPhotonic and Optical DevicesBrillouin zoneBravais latticePhysicsDipolePoint (geometry)Simple (philosophy)Wave vectorHexagonal crystal systemMatrix (chemical analysis)Function (biology)
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References
Mean-Value Point in the Brillouin Zone
Physical review. B, Solid state · 1973 · 940 citations
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Special Points in the Brillouin Zone
Physical review. B, Solid state · 1973 · 2,026 citations
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