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|Title:||Detection and engineering of spatial mode entanglement with ultracold bosons||Authors:||Goold, J.
|Issue Date:||28-Aug-2009||Citation:||Goold, J., Heaney, L., Busch, T., Vedral, V. (2009-08-28). Detection and engineering of spatial mode entanglement with ultracold bosons. Physical Review A - Atomic, Molecular, and Optical Physics 80 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.80.022338||Abstract:||We outline an interferometric scheme for the detection of bimode and multimode spatial entanglement of finite-temperature interacting Bose gases. Whether entanglement is present in the gas depends on the existence of the single-particle reduced density matrix between different regions of space. We apply the scheme to the problem of a harmonically trapped repulsive boson pair and show that while entanglement is rapidly decreasing with temperature, a significant amount remains for all interaction strengths at zero temperature. Thus, by tuning the interaction parameter, the distribution of entanglement between many spatial modes can be modified. © 2009 The American Physical Society.||Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics||URI:||http://scholarbank.nus.edu.sg/handle/10635/115062||ISSN:||10502947||DOI:||10.1103/PhysRevA.80.022338|
|Appears in Collections:||Staff Publications|
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