## Bloch particle in presence of dc and ac fields: Statistics of the Wigner delay time

• The paper studies quantum states of a Bloch particle in presence of external ac and dc fields. Provided the period of the ac field and the Bloch period are commensurate, an effective scattering matrix is introduced, the complex poles of which are the system quasienergy spectrum. The statistics of the resonance width and the Wigner delay time shows a close relation of the problem to random matrix theory of chaotic scattering.

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Author: Markus Glück, Andrey R. Kolovsky, Hans Jürgen Korsch urn:nbn:de:hbz:386-kluedo-11037 Article English 1999 1999 Technische Universität Kaiserslautern 2000/09/16 Quantum mechanics ; Wannier-Stark systems ; lifetime statistics; lifetimes ; resonances Fachbereich Physik 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik Standard gemäß KLUEDO-Leitlinien vor dem 27.05.2011

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