## Stark resonances in disordered systems.(English)Zbl 0770.47030

By slightly restricting the conditions given by I. W. Herbst and J. S. Howland [Commun. Math. Phys. 80, 23-42 (1981; Zbl 0473.47037)], we prove the existence of resonances in the Stark effect of disordered systems (and atomic crystals) for large atomic mean distance. In the crystal case the ladders of resonances have the Wannier behavior for small complex field.

### MSC:

 47N50 Applications of operator theory in the physical sciences 81V10 Electromagnetic interaction; quantum electrodynamics 81T10 Model quantum field theories

Zbl 0473.47037
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### References:

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