Quantum kinetics of refocusing

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dc.creatorPryadko, Leonid P.
dc.creatorSengupta, Pinaki
dc.date2005-09-30
dc.date.accessioned2026-07-07T06:20:40Z
dc.date.available2026-07-07T06:20:40Z
dc.descriptionWe consider quantum kinetics of an open quantum system in the presence of periodic fields designed to suppress the internal evolution and shield the system from generic low-frequency environment (refocusing or dynamical decoupling in application to multi-qubit systems). Assuming that the refocusing has order K, that is, for frozen environment the cumulant expansion of the evolution operator over the period tau begins with the term ~tau^(K+1), we trace the associated cancellations in the kernel of the quantum kinetic equation in the Floquet formalism and characterize the remaining decoherence processes.
dc.description12 pages, 7 eps figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0510001
dc.identifierhttp://arxiv.org/abs/quant-ph/0510001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/95381
dc.subjectQuantum Physics
dc.titleQuantum kinetics of refocusing
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