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Control of Interaction-Induced Dephasing of Bloch Oscillations

Open access
Gustavsson, M., Haller, E., Mark, M. J., Danzl, J. G., Rojas-Kopeinig, G., Nägerl, H.-C.·2008·Physical Review Letters

Abstract

We report on the control of interaction-induced dephasing of Bloch oscillations for an atomic Bose-Einstein condensate in an optical lattice. We quantify the dephasing in terms of the width of the quasimomentum distribution and measure its dependence on time for different interaction strengths which we control by means of a Feshbach resonance. For minimal interaction, the dephasing time is increased from a few to more than 20 thousand Bloch oscillation periods, allowing us to realize a BEC-based atom interferometer in the noninteracting limit.

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Metadata

Authors
Gustavsson, M., Haller, E., Mark, M. J., Danzl, J. G., Rojas-Kopeinig, G., & Nägerl, H.-C.
Venue
Physical Review Letters
Published
2008-02-28
Volume
100
Issue
8
Pages
080404-080404
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2056387173
Cited by
247
References
1
FWCI
17.79
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Control of Interaction-Induced Dephasing of Bloch Oscillations. https://app.cochat.ai/papers/10.1103/physrevlett.100.080404
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Gustavsson, M., Haller, E., Mark, M. J., Danzl, J. G., Rojas-Kopeinig, G., & Nägerl, H.-C. (2008). Control of Interaction-Induced Dephasing of Bloch Oscillations. Physical Review Letters. https://doi.org/10.1103/physrevlett.100.080404

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