Adiabatic perturbation of a periodic potential. (English) Zbl 0557.34053

Translation from Teor. Mat. Fiz. 58, No.2, 233-243 (Russian) (1984; Zbl 0534.34064).


34E20 Singular perturbations, turning point theory, WKB methods for ordinary differential equations


Zbl 0534.34064
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[1] J. M. Ziman, Principles of the Theory of Solids, Cambridge University Press, Cambridge (1964). · Zbl 0121.44801
[2] V. A. Marchenko and I. V. Ostrovskii, Mat. Sb.,97, 504 (1975).
[3] N. E. Firsova, Zap. Nauchn. Semin. LOMI,51, 183 (1975).
[4] V. S. Buslaev, ?On adiabatic perturbation of a periodic potential. I,? Preprint FUB/HEP 6/82, Free University, West Berlin (1982).
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