Universal Impurity-Induced Bound State in Topological Superfluids

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dc.citation.firstpage20401en_US
dc.citation.journalTitlePhysical Review Lettersen_US
dc.citation.volumeNumber110en_US
dc.contributor.authorHu, Huien_US
dc.contributor.authorJiang, Leien_US
dc.contributor.authorPu, Hanen_US
dc.contributor.authorChen, Yanen_US
dc.contributor.authorLiu, Xia-Jien_US
dc.contributor.orgRice Quantum Instituteen_US
dc.date.accessioned2013-01-28T18:56:00Zen_US
dc.date.available2013-01-28T18:56:00Zen_US
dc.date.issued2013en_US
dc.description.abstractWe predict a universal midgap bound state in topological superfluids, induced by either nonmagnetic or magnetic impurities in the strong scattering limit. This universal state is similar to the lowest-energy Caroli–de Gennes–Martricon bound state in a vortex core, but is bound to localized impurities. We argue that the observation of such a universal bound state can be a clear signature for identifying topological superfluids. We theoretically examine our argument for a spin-orbit coupled ultracold atomic Fermi gas trapped in a two-dimensional harmonic potential by performing extensive self-consistent calculations within the mean-field Bogoliubov–de Gennes theory. A realistic scenario for observing a universal bound state in ultracold 40K atoms is proposed.en_US
dc.embargo.termsnoneen_US
dc.identifier.citationHu, Hui, Jiang, Lei, Pu, Han, et al.. "Universal Impurity-Induced Bound State in Topological Superfluids." <i>Physical Review Letters,</i> 110, (2013) American Physical Society: 20401. http://dx.doi.org/10.1103/PhysRevLett.110.020401.en_US
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevLett.110.020401en_US
dc.identifier.urihttps://hdl.handle.net/1911/69846en_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.titleUniversal Impurity-Induced Bound State in Topological Superfluidsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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