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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.

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