Efficient quantum state transfer in spin chains via adiabatic passage

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dc.creatorEckert, K.
dc.creatorRomero-Isart, O.
dc.creatorSanpera, A.
dc.date2007-02-08
dc.date2007-05-03
dc.date.accessioned2026-07-07T08:09:42Z
dc.date.available2026-07-07T08:09:42Z
dc.descriptionWe propose a method for quantum state transfer in spin chains using an adiabatic passage technique. Modifying even and odd nearest-neighbour couplings in time allows to achieve transfer fidelities arbitrarily close to one, without the need for a precise control of coupling strengths and timing. We study in detail transfer by adiabatic passage in a spin-1 chain governed by a generalized Heisenberg Hamiltonian. We consider optimization of the transfer process applying optimal control techniques. We discuss a realistic experimental implementation using cold atomic gases confined in deep optical lattices.
dc.description14 pages, 6 figures, to be published in New J. Phys
dc.identifierhttps://arxiv.org/abs/quant-ph/0702082
dc.identifierhttp://arxiv.org/abs/quant-ph/0702082
dc.identifierNew J. Phys. 9, 155 (2007)
dc.identifierdoi:10.1088/1367-2630/9/5/155
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/131615
dc.subjectQuantum Physics
dc.titleEfficient quantum state transfer in spin chains via adiabatic passage
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