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PHYSICS LETTERS A
Volume 369, Issue 4, Pages 307-311Publisher
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DOI: 10.1016/j.physleta.2007.04.024
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We present a mean-field model to study the tunneling dynamics between initially separated two-component Bose condensates in a time-dependent double-well potential. We solve the model in terms of a completely numerical procedure. In contrast to the usual Josephson effect between two coherently separated single-component condensates, we find that this system sustains a macroscopic quantum self-trapping even for sufficiently weak interatomic interactions and small initial population imbalance far below the critical value. (C) 2007 Published by Elsevier B.V.
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