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Time-resolved measurement of Landau-Zener tunneling in periodic potentials

Zenesini, A. and Lignier, H. and Tayebirad, G. and Radogostowicz, J. and Ciampini, D. and Mannella, R. and Wimberger, S. and Morsch, O. and Arimondo, E. (2009) Time-resolved measurement of Landau-Zener tunneling in periodic potentials. arXiv . (In Press)

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SUMMARY We report time-resolved measurements of Landau-Zener tunneling of Bose-Einstein condensates in accelerated optical lattices, clearly resolving the step-like time dependence of the band populations. Using different experimental protocols we were able to measure the tunneling probability both in the adiabatic and in the diabatic bases of the system. We also experimentally determine the contribution of the momentum width of the Bose condensates to the width of the tunneling steps and discuss the implications for measuring the jump time in the Landau-Zener problem.

Item Type: Article
Additional Information: Imported from arXiv
Subjects: Area02 - Scienze fisiche > FIS/03 - Fisica della materia
Divisions: Dipartimenti (from 2013) > DIPARTIMENTO DI FISICA
Depositing User: dott.ssa Sandra Faita
Date Deposited: 30 Jul 2013 12:37
Last Modified: 30 Jul 2013 12:37
URI: http://eprints.adm.unipi.it/id/eprint/1300

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