Enhancement of entanglement transfer in a spin chain by phase shift-control

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dc.creatorMaruyama, K.
dc.creatorIitaka, T.
dc.creatorNori, F.
dc.date2006-10-12
dc.date2007-01-24
dc.date.accessioned2026-07-07T08:14:14Z
dc.date.available2026-07-07T08:14:14Z
dc.descriptionWe study the effect of a phase shift on the amount of transferrable two-spin entanglement in a spin chain. We consider a ferromagnetic Heisenberg/XY spin chain, both numerically and analytically, and two mechanisms to generate a phase shift, the Aharonov-Casher effect and the Dzyaloshinskii-Moriya interaction. In both cases, the maximum attainable entanglement is shown to be significantly enhanced, suggesting its potential usefulness in quantum information processing.
dc.description7 pages, 5 figures. v2: a fig added, the main text modified a bit
dc.identifierhttps://arxiv.org/abs/quant-ph/0610103
dc.identifierhttp://arxiv.org/abs/quant-ph/0610103
dc.identifierPRA75, 012325(2007).
dc.identifierdoi:10.1103/PhysRevA.75.012325
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/133052
dc.subjectQuantum Physics
dc.titleEnhancement of entanglement transfer in a spin chain by phase shift-control
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