Effective p-wave interaction and topological superfluids in s-wave quantum gases

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dc.citation.articleNumber031602(R)en_US
dc.citation.issueNumber3en_US
dc.citation.journalTitlePhysical Review Aen_US
dc.citation.volumeNumber93en_US
dc.contributor.authorWang, Binen_US
dc.contributor.authorZheng, Zhenen_US
dc.contributor.authorPu, Hanen_US
dc.contributor.authorZou, Xuboen_US
dc.contributor.authorGuo, Guangcanen_US
dc.contributor.orgRice Center for Quantum Materialsen_US
dc.date.accessioned2017-05-03T16:12:49Zen_US
dc.date.available2017-05-03T16:12:49Zen_US
dc.date.issued2016en_US
dc.description.abstractp-wave interaction in cold atoms may give rise to exotic topological superfluids. However, the realization of p-wave interaction in a cold atom system is experimentally challenging. Here we propose a simple scheme to synthesize effective p-wave interaction in conventional s-wave interacting quantum gases. The key idea is to load atoms into a spin-dependent optical lattice potential. Using two concrete examples involving spin-1/2 fermions, we show how the original system can be mapped into a model describing spinless fermions with nearest-neighbor p-wave interaction, whose ground state can be a topological superfluid that supports Majorana fermions under proper conditions. Our proposal has the advantage that it does not require spin-orbit coupling or loading atoms onto higher orbitals, which is the key in earlier proposals to synthesize effective p-wave interaction in s-wave quantum gases, and may provide a completely new route for realizing p-wave topological superfluids.en_US
dc.identifier.citationWang, Bin, Zheng, Zhen, Pu, Han, et al.. "Effective p-wave interaction and topological superfluids in s-wave quantum gases." <i>Physical Review A,</i> 93, no. 3 (2016) American Physical Society: https://doi.org/10.1103/PhysRevA.93.031602.en_US
dc.identifier.doihttps://doi.org/10.1103/PhysRevA.93.031602en_US
dc.identifier.urihttps://hdl.handle.net/1911/94128en_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.titleEffective p-wave interaction and topological superfluids in s-wave quantum gasesen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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