Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.82.042326
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dc.titleLong-distance entanglement generation in two-dimensional networks
dc.contributor.authorBroadfoot, S.
dc.contributor.authorDorner, U.
dc.contributor.authorJaksch, D.
dc.date.accessioned2014-12-12T07:12:02Z
dc.date.available2014-12-12T07:12:02Z
dc.date.issued2010-10-21
dc.identifier.citationBroadfoot, S., Dorner, U., Jaksch, D. (2010-10-21). Long-distance entanglement generation in two-dimensional networks. Physical Review A - Atomic, Molecular, and Optical Physics 82 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.82.042326
dc.identifier.issn10502947
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/115172
dc.description.abstractWe consider two-dimensional networks composed of nodes initially linked by two-qubit mixed states. In these networks we develop a global error correction scheme that can generate distance-independent entanglement from arbitrary network geometries using rank-2 states. By using this method and combining it with the concept of percolation, we also show that the generation of long-distance entanglement is possible with rank-3 states. Entanglement percolation and global error correction have different advantages depending on the given situation. To reveal the trade-off between them we consider their application to networks containing pure states. In doing so we find a range of pure-state schemes, each of which has applications in particular circumstances: For instance, we can identify a protocol for creating perfect entanglement between two distant nodes. However, this protocol cannot generate a singlet between any two nodes. In contrast, we can also construct schemes for creating entanglement between any nodes, but the corresponding entanglement fidelity is lower. © 2010 The American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevA.82.042326
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCENTRE FOR QUANTUM TECHNOLOGIES
dc.description.doi10.1103/PhysRevA.82.042326
dc.description.sourcetitlePhysical Review A - Atomic, Molecular, and Optical Physics
dc.description.volume82
dc.description.issue4
dc.description.page-
dc.description.codenPLRAA
dc.identifier.isiut000283290600004
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