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Bloch Oscillations and Mean-Field Effects of Bose-Einstein Condensates in 1D Optical Lattices

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Morsch, O., Müller, J. H., Cristiani, M., Ciampini, D., Arimondo, E.·2001·Physical Review Letters

Abstract

We have loaded Bose-Einstein condensates into one-dimensional, off-resonant optical lattices and accelerated them by chirping the frequency difference between the two lattice beams. For small values of the lattice well depth, Bloch oscillations were observed. Reducing the potential depth further, Landau-Zener tunneling out of the lowest lattice band, leading to a breakdown of the oscillations, was also studied and used as a probe for the effective potential resulting from mean-field interactions as predicted by Choi and Niu [Phys. Rev. Lett. 82, 2022 (1999)]. The effective potential was measured for various condensate densities and trap geometries, yielding good qualitative agreement with theoretical calculations.

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Metadata

Authors
Morsch, O., Müller, J. H., Cristiani, M., Ciampini, D., & Arimondo, E.
Venue
Physical Review Letters
Published
2001-09-13
Volume
87
Issue
14
Pages
140402-140402
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2018242701
Cited by
549
References
16
FWCI
27.82
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Bloch Oscillations and Mean-Field Effects of Bose-Einstein Condensates in 1D Optical Lattices. https://app.cochat.ai/papers/10.1103/physrevlett.87.140402
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Morsch, O., Müller, J. H., Cristiani, M., Ciampini, D., & Arimondo, E. (2001). Bloch Oscillations and Mean-Field Effects of Bose-Einstein Condensates in 1D Optical Lattices. Physical Review Letters. https://doi.org/10.1103/physrevlett.87.140402

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