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Article: Production of Feshbach molecules induced by spin-orbit coupling in Fermi gases

TitleProduction of Feshbach molecules induced by spin-orbit coupling in Fermi gases
Authors
Issue Date2014
PublisherNature Publishing Group. The Journal's web site is located at http://npg.nature.com/npg/servlet/Form?_action=submit
Citation
Nature Physics, 2014, v. 10 n. 2, p. 110-115 How to Cite?
AbstractThe search for topological superconductors is a challenging task1,2. One of the most promising directions is to use spinorbit coupling through which an s-wave superconductor can induce unconventional p-wave pairing in a spin-polarized metal3,4. Recently, synthetic spin-orbit couplings have been realized in cold-atom systems5-16 where instead of a proximity effect, s-wave pairing originates from a resonant coupling between s-wave molecules and itinerant atoms17. Here we demonstrate a dynamic process in which spin-orbit coupling coherently produces s-wave Feshbach molecules from a fully polarized Fermi gas, and induces a coherent oscillation between these two. This demonstrates experimentally that spin-orbit coupling does coherently couple singlet and triplet states, and implies that the bound pairs of this system have a triplet p-wave component, which can become a topological superfluid by further cooling to condensation and confinement to one dimension.
Persistent Identifierhttp://hdl.handle.net/10722/197631
ISSN
2015 Impact Factor: 18.791
2015 SCImago Journal Rankings: 13.522
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorFu, ZKen_US
dc.contributor.authorHuang, LHen_US
dc.contributor.authorMeng, ZMen_US
dc.contributor.authorWang, PJen_US
dc.contributor.authorZhang, Len_US
dc.contributor.authorZhang, Sen_US
dc.contributor.authorZhai, Hen_US
dc.contributor.authorZhang, Pen_US
dc.contributor.authorZhang, Jen_US
dc.date.accessioned2014-05-29T08:32:24Z-
dc.date.available2014-05-29T08:32:24Z-
dc.date.issued2014en_US
dc.identifier.citationNature Physics, 2014, v. 10 n. 2, p. 110-115en_US
dc.identifier.issn1745-2473-
dc.identifier.urihttp://hdl.handle.net/10722/197631-
dc.description.abstractThe search for topological superconductors is a challenging task1,2. One of the most promising directions is to use spinorbit coupling through which an s-wave superconductor can induce unconventional p-wave pairing in a spin-polarized metal3,4. Recently, synthetic spin-orbit couplings have been realized in cold-atom systems5-16 where instead of a proximity effect, s-wave pairing originates from a resonant coupling between s-wave molecules and itinerant atoms17. Here we demonstrate a dynamic process in which spin-orbit coupling coherently produces s-wave Feshbach molecules from a fully polarized Fermi gas, and induces a coherent oscillation between these two. This demonstrates experimentally that spin-orbit coupling does coherently couple singlet and triplet states, and implies that the bound pairs of this system have a triplet p-wave component, which can become a topological superfluid by further cooling to condensation and confinement to one dimension.-
dc.languageengen_US
dc.publisherNature Publishing Group. The Journal's web site is located at http://npg.nature.com/npg/servlet/Form?_action=submiten_US
dc.relation.ispartofNature Physicsen_US
dc.titleProduction of Feshbach molecules induced by spin-orbit coupling in Fermi gasesen_US
dc.typeArticleen_US
dc.identifier.emailZhang, S: shizhong@hku.hken_US
dc.identifier.authorityZhang, S=rp01661en_US
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1038/NPHYS2824-
dc.identifier.scopuseid_2-s2.0-84895910896-
dc.identifier.hkuros228837en_US
dc.identifier.volume10en_US
dc.identifier.issue2-
dc.identifier.spage110en_US
dc.identifier.epage115en_US
dc.identifier.isiWOS:000332141800014-
dc.publisher.placeUnited Kingdom-

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