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Genske M, Alt W, Steffen A, et al. Electric quantum walks with individual atoms. Phys Rev Lett. 2013;110(19):190601doi: 10.1103/PhysRevLett.110.190601.
Genske, M., Alt, W., Steffen, A., Werner, A. H., Werner, R. F., Meschede, D., & Alberti, A. (2013). Electric quantum walks with individual atoms. Physical review letters, 110(19), 190601. https://doi.org/10.1103/PhysRevLett.110.190601
Genske, Maximilian, et al. "Electric quantum walks with individual atoms." Physical review letters vol. 110,19 (2013): 190601. doi: https://doi.org/10.1103/PhysRevLett.110.190601
Genske M, Alt W, Steffen A, Werner AH, Werner RF, Meschede D, Alberti A. Electric quantum walks with individual atoms. Phys Rev Lett. 2013 May 10;110(19):190601. doi: 10.1103/PhysRevLett.110.190601. Epub 2013 May 07. PMID: 23705697.
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Phys Rev Lett. 2013 May 10;110(19):190601. doi: 10.1103/PhysRevLett.110.190601. Epub 2013 May 07.

Electric quantum walks with individual atoms.

Physical review letters

Maximilian Genske, Wolfgang Alt, Andreas Steffen, Albert H Werner, Reinhard F Werner, Dieter Meschede, Andrea Alberti

Affiliations

  1. Institut für Angewandte Physik, Universität Bonn, Wegelerstrasse 8, D-53115 Bonn, Germany.

PMID: 23705697 DOI: 10.1103/PhysRevLett.110.190601

Abstract

We report on the experimental realization of electric quantum walks, which mimic the effect of an electric field on a charged particle in a lattice. Starting from a textbook implementation of discrete-time quantum walks, we introduce an extra operation in each step to implement the effect of the field. The recorded dynamics of such a quantum particle exhibits features closely related to Bloch oscillations and interband tunneling. In particular, we explore the regime of strong fields, demonstrating contrasting quantum behaviors: quantum resonances versus dynamical localization depending on whether the accumulated Bloch phase is a rational or irrational fraction of 2π.

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