Memory effects in quantum information transmission across a Hamiltonian dephasing channel

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dc.creatorD'Arrigo, A.
dc.creatorBenenti, G.
dc.creatorFalci, G.
dc.date2007-10-18
dc.date.accessioned2026-07-07T09:44:55Z
dc.date.available2026-07-07T09:44:55Z
dc.descriptionWe study a dephasing channel with memory, modelled by a multimode environment of oscillators. Focusing on the case of two channel uses, we show that memory effects can enhance the amount of coherent quantum information transmitted down the channel. We also show the Kraus representation for two channel uses. Finally, we propose a coding-decoding scheme that takes advantage of memory to improve the fidelity of transmission.
dc.description12 pages, 5 figures, CEWQO 2007 proceedings
dc.identifierhttps://arxiv.org/abs/0710.3472
dc.identifierhttp://arxiv.org/abs/0710.3472
dc.identifierEur. Phys. J. Special Topics 160, 83 (2008)
dc.identifierdoi:10.1140/epjst/e2008-00712-1
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/163039
dc.subjectQuantum Physics
dc.subjectMesoscale and Nanoscale Physics
dc.titleMemory effects in quantum information transmission across a Hamiltonian dephasing channel
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