Interactions Destroy Dynamical Localization with Strong & Weak Chaos

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dc.contributor.authorBodyfelt JD
dc.contributor.authorFlach S
dc.contributor.authorGligoric G
dc.coverage.spatialReizlern, Austria
dc.date.issued1/11/2011
dc.date.start-date2011-09
dc.description.abstractBose-Einstein condensates loaded into kicked optical lattices can be treated as quantum kicked-rotor systems. Noninteracting rotors show dynamical localization in momentum space. The experimentally tunable condensate interaction is included in a qualitative Gross-Pitaevskii-type model based on two-body interactions. We observe strong- and weak-chaos regimes of wave packet spreading in momentum space. In the intermediate strong-chaos regime the condensate energy grows as t1/2. In the asymptotic weak-chaos case the growth crosses over into a t1/3 law. The results do not depend on the details of the kicking. © Europhysics Letters Association.
dc.description.confidentialFALSE
dc.identifier.elements-id237131
dc.identifier.harvestedMassey_Dark
dc.identifier.urihttps://hdl.handle.net/10179/7335
dc.sourceDFG760 10th Annual Billiard Workshop
dc.titleInteractions Destroy Dynamical Localization with Strong & Weak Chaos
dc.typeconference
pubs.notesNot known
pubs.organisational-group/Massey University
pubs.organisational-group/Massey University/College of Sciences
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