Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.80.022338
Title: Detection and engineering of spatial mode entanglement with ultracold bosons
Authors: Goold, J.
Heaney, L. 
Busch, T.
Vedral, V. 
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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