Chaotic ionization of a stationary electron state via a phase space turnstile

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dc.citation.firstpage13408en_US
dc.citation.journalTitlePhysical Review Aen_US
dc.citation.volumeNumber88en_US
dc.contributor.authorBurke, Koranaen_US
dc.contributor.authorMitchell, Kevin A.en_US
dc.contributor.authorYe, Shuzhenen_US
dc.contributor.authorDunning, F. Barryen_US
dc.contributor.orgRice Quantum Instituteen_US
dc.date.accessioned2013-08-02T16:09:30Zen_US
dc.date.available2013-08-02T16:09:30Zen_US
dc.date.issued2013en_US
dc.description.abstractThe ionization of a highly excited Rydberg atom subjected to a periodic sequence of electric field impulses, or “kicks,” is chaotic. We focus on the dynamics of a single kicking period in order to isolate the ionization mechanism. Potassium Rydberg atoms, prepared in a quasi-one-dimensional state, are exposed to a sequence of ionization kicks, and the total fraction of ionized atoms is then measured. These experimental data are compared to a one-dimensional classical model. The classical analysis reveals that the ionization process is governed by a phase space turnstile—a geometric structure associated with chaotic transport in diverse systems. The turnstile geometry is reflected in the experimental data. Previous work explored the dependence of the turnstile geometry on the kicking period. The present work explores the dependence on the kicking strength. In particular, increasing the kicking strength allows us to observe the stretching of the turnstile lobe as it penetrates the region of phase space occupied by the electronic state, leading to a sharp rise in the total ionization fraction. This work thus highlights the importance of phase space geometry in organizing chaotic transport in atomic Systems.en_US
dc.embargo.termsnoneen_US
dc.identifier.citationBurke, Korana, Mitchell, Kevin A., Ye, Shuzhen, et al.. "Chaotic ionization of a stationary electron state via a phase space turnstile." <i>Physical Review A,</i> 88, (2013) American Physical Society: 13408. http://dx.doi.org/10.1103/PhysRevA.88.013408.en_US
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevA.88.013408en_US
dc.identifier.urihttps://hdl.handle.net/1911/71723en_US
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.en_US
dc.titleChaotic ionization of a stationary electron state via a phase space turnstileen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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