Coherent single atom shuttle between two Bose-Einstein condensates

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dc.creatorFischer, Uwe R.
dc.creatorIniotakis, Christian
dc.creatorPosazhennikova, Anna
dc.date2007-09-11
dc.date2009-05-12
dc.date.accessioned2026-07-07T13:13:14Z
dc.date.available2026-07-07T13:13:14Z
dc.descriptionWe study an atomic quantum dot representing a single hyperfine "impurity" atom which is coherently coupled to two well-separated Bose-Einstein condensates, in the limit when the coupling between the dot and the condensates dominates the inter-condensate tunneling coupling. It is demonstrated that the quantum dot by itself can induce large-amplitude Josephson-like oscillations of the particle imbalance between the condensates, which display a two-frequency behavior. For noninteracting condensates, we provide an approximate solution to the coupled nonlinear equations of motion which allows us to obtain these two frequencies analytically.
dc.description4 pages of RevTex4, 4 figures; Rapid Communication in Physical Review A
dc.identifierhttps://arxiv.org/abs/0709.1542
dc.identifierhttp://arxiv.org/abs/0709.1542
dc.identifierPhys. Rev. A 77, 031602(R) (2008)
dc.identifierdoi:10.1103/PhysRevA.77.031602
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/229823
dc.subjectOther Condensed Matter
dc.subjectQuantum Physics
dc.titleCoherent single atom shuttle between two Bose-Einstein condensates
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