Abstract
Parametric expressions for the dispersion relations in a quadratic approximation in the wave-vector components, the possible degeneracy multiplicities, and the zero slopes of the energy surfaces in the vicinity of typical points of the Brillouin zone for orthorhombic crystals with a face-centered lattice Γ f0 are obtained by the methods of group theory. Spin-orbit interaction is taken into account. The location of the constant-energy surfaces as a function of the lattice parameters is studied.
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Kudryavtseva, N.V., Tikhonova, L.V. Laws of dispersion in crystals with face-centered orthorhombic lattices. Soviet Physics Journal 11, 25–29 (1968). https://doi.org/10.1007/BF00816208
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DOI: https://doi.org/10.1007/BF00816208