Controlling Condensate Collapse and Expansion with an Optical Feshbach Resonance

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dc.citation.firstpage123201en_US
dc.citation.issueNumber12en_US
dc.citation.journalTitlePhysical Review Lettersen_US
dc.citation.volumeNumber110en_US
dc.contributor.authorYan, Mien_US
dc.contributor.authorDeSalvo, B.J.en_US
dc.contributor.authorRamachandhran, B.en_US
dc.contributor.authorPu, H.en_US
dc.contributor.authorKillian, T.C.en_US
dc.date.accessioned2016-04-05T20:14:03Zen_US
dc.date.available2016-04-05T20:14:03Zen_US
dc.date.issued2013en_US
dc.description.abstractWe demonstrate control of the collapse and expansion of an Sr88 Bose-Einstein condensate using an optical Feshbach resonance near the S01−P13 intercombination transition at 689 nm. Significant changes in dynamics are caused by modifications of scattering length by up to ±10abg, where the background scattering length of Sr88 is abg=−2a0 (1a0=0.053  nm). Changes in scattering length are monitored through changes in the size of the condensate after a time-of-flight measurement. Because the background scattering length is close to zero, blue detuning of the optical Feshbach resonance laser with respect to a photoassociative resonance leads to increased interaction energy and a faster condensate expansion, whereas red detuning triggers a collapse of the condensate. The results are modeled with the time-dependent nonlinear Gross-Pitaevskii equation.en_US
dc.identifier.citationYan, Mi, DeSalvo, B.J., Ramachandhran, B., et al.. "Controlling Condensate Collapse and Expansion with an Optical Feshbach Resonance." <i>Physical Review Letters,</i> 110, no. 12 (2013) American Physical Society: 123201. http://dx.doi.org/10.1103/PhysRevLett.110.123201.en_US
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevLett.110.123201en_US
dc.identifier.urihttps://hdl.handle.net/1911/88856en_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.titleControlling Condensate Collapse and Expansion with an Optical Feshbach Resonanceen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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