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Elliptic flow in a strongly interacting normal Bose gas

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cam.issuedOnline2018-07-05
dc.contributor.authorFletcher, RJ
dc.contributor.authorMan, J
dc.contributor.authorLopes, R
dc.contributor.authorChristodoulou, P
dc.contributor.authorSchmitt, J
dc.contributor.authorSohmen, M
dc.contributor.authorNavon, N
dc.contributor.authorSmith, RP
dc.contributor.authorHadzibabic, Z
dc.contributor.orcidChristodoulou, Panagiotis [0000-0001-7800-9484]
dc.contributor.orcidSmith, Robert [0000-0002-6881-5690]
dc.contributor.orcidHadzibabic, Zoran [0000-0002-0118-9285]
dc.date.accessioned2018-07-04T11:59:56Z
dc.date.available2018-07-04T11:59:56Z
dc.date.issued2018
dc.description.abstractWe study the anisotropic, elliptic expansion of a thermal atomic Bose gas released from an anisotropic trapping potential, for a wide range of interaction strengths across a Feshbach resonance. We show that in our system this hydrodynamic phenomenon is for all interaction strengths fully described by a microscopic kinetic model with no free parameters. The success of this description crucially relies on taking into account the reduced thermalising power of elastic collisions in a strongly interacting gas, for which we derive an analytical theory. We also perform time-resolved measurements that directly reveal the dynamics of the energy transfer between the different expansion axes.
dc.identifier.doi10.17863/CAM.25138
dc.identifier.eissn2469-9934
dc.identifier.issn2469-9926
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/277800
dc.language.isoeng
dc.publisherAmerican Physical Society (APS)
dc.publisher.urlhttp://dx.doi.org/10.1103/PhysRevA.98.011601
dc.subjectcond-mat.quant-gas
dc.subjectcond-mat.quant-gas
dc.subjectcond-mat.stat-mech
dc.subjectphysics.atom-ph
dc.subjectphysics.plasm-ph
dc.subjectquant-ph
dc.titleElliptic flow in a strongly interacting normal Bose gas
dc.typeArticle
dcterms.dateAccepted2018-06-04
prism.issueIdentifier1
prism.publicationDate2018
prism.publicationNamePhysical Review A
prism.volume98
pubs.funder-project-idEuropean Office of Aerospace Research and Development (EOARD) (W911NF-15-1-0444)
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/N011759/1)
pubs.funder-project-idEuropean Research Council (682285)
pubs.funder-project-idEuropean Commission Horizon 2020 (H2020) Marie Sk?odowska-Curie actions (704832)
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/P009565/1)
rioxxterms.licenseref.startdate2018-07-05
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.typeJournal Article/Review
rioxxterms.versionNA
rioxxterms.versionofrecord10.1103/PhysRevA.98.011601

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