High fidelity state transfer in binary tree spin networks

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dc.creatorTufarelli, T.
dc.creatorGiovannetti, V.
dc.date2008-07-25
dc.date2008-12-05
dc.date.accessioned2026-07-07T12:47:25Z
dc.date.available2026-07-07T12:47:25Z
dc.descriptionQuantum state propagation over binary tree configurations is studied in the context of quantum spin networks. For binary tree of order two a simple protocol is presented which allows to achieve arbitrary high transfer fidelity. It does not require fine tuning of local fields and two-nodes coupling of the intermediate spins. Instead it assumes simple local operations on the intended receiving node: their role is to brake the transverse symmetry of the network that induces an effective refocusing of the propagating signals. Some ideas on how to scale up these effect to binary tree of arbitrary order are discussed.
dc.description6 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/0807.4030
dc.identifierhttp://arxiv.org/abs/0807.4030
dc.identifierPhysical Review A 79, 022313 (2009)
dc.identifierdoi:10.1103/PhysRevA.79.022313
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/221716
dc.subjectQuantum Physics
dc.titleHigh fidelity state transfer in binary tree spin networks
dc.typetext

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