A quantum cable car for Wannier-Stark ladders

• The paper studies the dynamics of transitions between the levels of a Wannier-Stark ladder induced by a resonant periodic driving. The analysis of the problem is done in terms of resonance quasienergy states, which take into account the metastable character of the Wannier-Stark states. It is shown that the periodic driving creates from a localized Wannier-Stark state an extended Bloch-like state with a spatial length varying in time as ~ t^1/2. Such a state can find applications in the field of atomic optics because it generates a coherent pulsed atomic beam.

Author: M. Glück, A. R. Kolovsky, H.J. Korsch urn:nbn:de:hbz:386-kluedo-11083 Article English 2000 2000 Technische Universität Kaiserslautern 2000/09/30 Quantum mechanics ; Wannier-Stark ladders ; 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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