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dc.contributor.authorMedley, Patrick M.
dc.contributor.authorWeld, David M.
dc.contributor.authorMiyake, Hirokazu
dc.contributor.authorPritchard, David E.
dc.contributor.authorKetterle, Wolfgang
dc.date.accessioned2011-11-18T19:54:01Z
dc.date.available2011-11-18T19:54:01Z
dc.date.issued2011-05
dc.date.submitted2011-03
dc.identifier.issn0031-9007
dc.identifier.urihttp://hdl.handle.net/1721.1/67077
dc.description.abstractWe demonstrate a new cooling method in which a time-varying magnetic field gradient is applied to an ultracold spin mixture. This enables preparation of isolated spin distributions at positive and negative effective spin temperatures of ±50   pK. The spin system can also be used to cool other degrees of freedom, and we have used this coupling to cool an apparently equilibrated Mott insulator of rubidium atoms to 350 pK. These are the lowest temperatures ever measured in any system. The entropy of the spin mixture is in the regime where magnetic ordering is expected.en_US
dc.language.isoen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1103/PhysRevLett.106.195301en_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.sourceAPSen_US
dc.titleSpin Gradient Demagnetization Cooling of Ultracold Atomsen_US
dc.typeArticleen_US
dc.identifier.citationMedley, Patrick et al. “Spin Gradient Demagnetization Cooling of Ultracold Atoms.” Physical Review Letters 106 (2011): n. pag. Web. 18 Nov. 2011. © 2011 American Physical Societyen_US
dc.contributor.departmentMassachusetts Institute of Technology. Department of Physicsen_US
dc.contributor.departmentMIT-Harvard Center for Ultracold Atomsen_US
dc.contributor.approverKetterle, Wolfgang
dc.contributor.mitauthorMedley, Patrick M.
dc.contributor.mitauthorWeld, David M.
dc.contributor.mitauthorMiyake, Hirokazu
dc.contributor.mitauthorPritchard, David E.
dc.contributor.mitauthorKetterle, Wolfgang
dc.relation.journalPhysical Review Lettersen_US
dc.eprint.versionFinal published versionen_US
dc.type.urihttp://purl.org/eprint/type/JournalArticleen_US
eprint.statushttp://purl.org/eprint/status/PeerRevieweden_US
dspace.orderedauthorsMedley, Patrick; Weld, David; Miyake, Hirokazu; Pritchard, David; Ketterle, Wolfgangen
dc.identifier.orcidhttps://orcid.org/0000-0001-5697-1496
dc.identifier.orcidhttps://orcid.org/0000-0002-9528-3044
mit.licensePUBLISHER_POLICYen_US
mit.metadata.statusComplete


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