Controlled Quantum State Transfer in a Spin Chain

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dc.creatorGong, Jiangbin
dc.creatorBrumer, Paul
dc.date2007-02-28
dc.date.accessioned2026-07-07T08:18:53Z
dc.date.available2026-07-07T08:18:53Z
dc.descriptionControl of the transfer of quantum information encoded in quantum wavepackets moving along a spin chain is demonstrated. Specifically, based on a relationship with control in a paradigm of quantum chaos, it is shown that wavepackets with slow dispersion can automatically emerge from a class of initial superposition states involving only a few spins, and that arbitrary unspecified travelling wavepackets can be nondestructively stopped and later relaunched with perfection. The results establish an interesting application of quantum chaos studies in quantum information science.
dc.description6 pages, 3 figures, to appear in Physical Review A
dc.identifierhttps://arxiv.org/abs/quant-ph/0702265
dc.identifierhttp://arxiv.org/abs/quant-ph/0702265
dc.identifierPhys. Rev. A 75, 032331 (2007)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/134588
dc.subjectQuantum Physics
dc.subjectChaotic Dynamics
dc.titleControlled Quantum State Transfer in a Spin Chain
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