The role of quasi-momentum in the resonant dynamics of the atom-optics kicked rotor

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dc.creatorWimberger, Sandro
dc.creatorSadgrove, Mark
dc.date2005-05-20
dc.date2005-10-19
dc.date.accessioned2026-07-07T06:40:38Z
dc.date.available2026-07-07T06:40:38Z
dc.descriptionWe examine the effect of the initial atomic momentum distribution on the dynamics of the atom-optical realisation of the quantum kicked rotor. The atoms are kicked by a pulsed optical lattice, the periodicity of which implies that quasi-momentum is conserved in the transport problem. We study and compare experimentally and theoretically two resonant limits of the kicked rotor: in the vicinity of the quantum resonances and in the semiclassical limit of vanishing kicking period. It is found that for the same experimental distribution of quasi-momenta, significant deviations from the kicked rotor model are induced close to quantum resonance, while close to the classical resonance (i.e. for small kicking period) the effect of the quasi-momentum vanishes.
dc.description10 pages, 4 figures, to be published in J. Phys. A, Special Issue on 'Trends in Quantum Chaotic Scattering'
dc.identifierhttps://arxiv.org/abs/physics/0505143
dc.identifierhttp://arxiv.org/abs/physics/0505143
dc.identifierJ. Phys. A: Math. Gen. 38, 10549 (2005)
dc.identifierdoi:10.1088/0305-4470/38/49/007
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101440
dc.subjectAtomic Physics
dc.subjectChaotic Dynamics
dc.subjectQuantum Physics
dc.titleThe role of quasi-momentum in the resonant dynamics of the atom-optics kicked rotor
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