Effects of atomic interactions on Quantum Accelerator Modes

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dc.creatorRebuzzini, Laura
dc.creatorArtuso, Roberto
dc.creatorFishman, Shmuel
dc.creatorGuarneri, Italo
dc.date2007-04-11
dc.date.accessioned2026-07-07T08:32:11Z
dc.date.available2026-07-07T08:32:11Z
dc.descriptionWe consider the influence of the inclusion of interatomic interactions on the delta-kicked accelerator model. Our analysis concerns in particular quantum accelerator modes, namely quantum ballistic transport near quantal resonances. The atomic interaction is modelled by a Gross-Pitaevskii cubic nonlinearity, and we address both attractive (focusing) and repulsive (defocusing) cases. The most remarkable effect is enhancement or damping of the accelerator modes, depending on the sign of the nonlinear parameter. We provide arguments showing that the effect persists beyond mean-field description, and lies within the experimentally accessible parameter range.
dc.description4 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/0704.1382
dc.identifierhttp://arxiv.org/abs/0704.1382
dc.identifierPhys. Rev. A 76, 031603(R) (2007)
dc.identifierdoi:10.1103/PhysRevA.76.031603
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/138720
dc.subjectChaotic Dynamics
dc.subjectQuantum Physics
dc.titleEffects of atomic interactions on Quantum Accelerator Modes
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