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Stark-Wannier resonant states. (English) Zbl 0726.34075
Recent developments in quantum mechanics, Proc. Conf., Braşov/Rom. 1989, Math. Phys. Stud. 12, 85-95 (1991).
Summary: [For the entire collection see Zbl 0722.00044.]
The resonance states which appear in a crystal submitted to an external constant electric field are shown to be close to the eigenstates of the Schrödinger operator obtained neglecting the interband terms.

34L40 Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.)
82D25 Statistical mechanics of crystals