Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.88.052318
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dc.titleDevice-independent certification of the teleportation of a qubit
dc.contributor.authorHo, M.
dc.contributor.authorBancal, J.-D.
dc.contributor.authorScarani, V.
dc.date.accessioned2014-10-16T09:20:50Z
dc.date.available2014-10-16T09:20:50Z
dc.date.issued2013-11-18
dc.identifier.citationHo, M., Bancal, J.-D., Scarani, V. (2013-11-18). Device-independent certification of the teleportation of a qubit. Physical Review A - Atomic, Molecular, and Optical Physics 88 (5) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.88.052318
dc.identifier.issn10502947
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/96212
dc.description.abstractWe want to certify in a black-box scenario that two parties simulating the teleportation of a qubit are really using quantum resources. If active compensation is part of the simulation, perfect teleportation can be faked by purely classical means. If active compensation is not implemented, a classical simulation is necessarily imperfect: In this case, we provide bounds for the certification of quantumness using only the observed statistics. In particular, if a uniform shrinking of the Bloch vector is observed on the teleported side, an average teleportation fidelity of 85% guarantees the use of quantum resources. In general, the criterion is not simply related to the fidelity; in an extreme case, the assessment of quantumness can be positive even for an average fidelity as low as 50%. © 2013 American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevA.88.052318
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevA.88.052318
dc.description.sourcetitlePhysical Review A - Atomic, Molecular, and Optical Physics
dc.description.volume88
dc.description.issue5
dc.description.page-
dc.description.codenPLRAA
dc.identifier.isiut000327147900006
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