Ion temperature evolution in an ultracold neutral plasma

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dc.citation.articleNumber33513en_US
dc.citation.issueNumber3en_US
dc.citation.journalTitlePhysics of Plasmasen_US
dc.citation.volumeNumber22en_US
dc.contributor.authorMcQuillen, P.en_US
dc.contributor.authorStrickler, T.en_US
dc.contributor.authorLangin, T.en_US
dc.contributor.authorKillian, T.C.en_US
dc.date.accessioned2017-05-22T18:57:18Zen_US
dc.date.available2017-05-22T18:57:18Zen_US
dc.date.issued2015en_US
dc.description.abstractWe study the long-time evolution of the ion temperature in an expanding ultracold neutral plasma using spatially resolved, laser-induced-fluorescence spectroscopy. Adiabatic cooling reduces the ion temperature by an order of magnitude during the plasma expansion, to temperatures as low as 0.2 K. Cooling is limited by heat exchange between ions and the much hotter electrons. We also present evidence for an additional heating mechanism and discuss possible sources. Data are described by a model of the plasma evolution, including the effects of ion-electron heat exchange. We show that for appropriate initial conditions, the degree of Coulomb coupling of ions in the plasma increases during expansion.en_US
dc.identifier.citationMcQuillen, P., Strickler, T., Langin, T., et al.. "Ion temperature evolution in an ultracold neutral plasma." <i>Physics of Plasmas,</i> 22, no. 3 (2015) AIP Publishing: http://dx.doi.org/10.1063/1.4915135.en_US
dc.identifier.doihttp://dx.doi.org/10.1063/1.4915135en_US
dc.identifier.urihttps://hdl.handle.net/1911/94332en_US
dc.language.isoengen_US
dc.publisherAIP Publishingen_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.titleIon temperature evolution in an ultracold neutral plasmaen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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