Abstract
Without using numerical differentiation methods, expressions for computation of differential characteristics of first and second order of flat cross sections of isoenergetic surfaces S (E, k) are obtained (where E is the energy, and k is the wave vector).
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Translated from Izvestiya Vysshikh Uchebnikh Zavedenii, Fizika, No. 8, pp. 56–60, August, 1982.
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Pospelov, Y.A., Mel'nikov, V.I. & Novikov, S.G. Computation of differential characteristics of cross sections of isoenergetic surfaces and determination of extremal cross sections in a pseudopotential approach. Soviet Physics Journal 25, 729–732 (1982). https://doi.org/10.1007/BF00895249
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DOI: https://doi.org/10.1007/BF00895249