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dc.contributor.authorOhadi, H.
dc.contributor.authorDreismann, A.
dc.contributor.authorRubo, Y. G.
dc.contributor.authorPinsker, F.
dc.contributor.authordel Valle-Inclan Redondo, Y.
dc.contributor.authorTsintzos, S. I.
dc.contributor.authorHatzopoulos, Z.
dc.contributor.authorSavvidis, P. G.
dc.contributor.authorBaumberg, J. J.
dc.date.accessioned2019-10-24T12:30:13Z
dc.date.available2019-10-24T12:30:13Z
dc.date.issued2015-07-08
dc.identifier.citationOhadi , H , Dreismann , A , Rubo , Y G , Pinsker , F , del Valle-Inclan Redondo , Y , Tsintzos , S I , Hatzopoulos , Z , Savvidis , P G & Baumberg , J J 2015 , ' Spontaneous spin bifurcations and ferromagnetic phase transitions in a spinor exciton-polariton condensate ' , Physical Review X , vol. 5 , no. 3 , 031002 , pp. 1-18 . https://doi.org/10.1103/PhysRevX.5.031002en
dc.identifier.issn2160-3308
dc.identifier.otherPURE: 252102078
dc.identifier.otherPURE UUID: 808851a6-c0ad-422d-955d-ddc940770c57
dc.identifier.otherScopus: 84939853739
dc.identifier.otherORCID: /0000-0001-6418-111X/work/40761776
dc.identifier.urihttp://hdl.handle.net/10023/18756
dc.description.abstractWe observe a spontaneous parity breaking bifurcation to a ferromagnetic state in a spatially trapped exciton-polariton condensate. At a critical bifurcation density under nonresonant excitation, the whole condensate spontaneously magnetizes and randomly adopts one of two elliptically polarized (up to 95% circularly polarized) states with opposite handedness of polarization. The magnetized condensate remains stable for many seconds at 5 K, but at higher temperatures, it can flip from one magnetic orientation to another. We optically address these states and demonstrate the inversion of the magnetic state by resonantly injecting 100- fold weaker pulses of opposite spin. Theoretically, these phenomena can be well described as spontaneous symmetry breaking of the spin degree of freedom induced by different loss rates of the linear polarizations.
dc.format.extent18
dc.language.isoeng
dc.relation.ispartofPhysical Review Xen
dc.rightsCopyright © 2015 the Author(s). Published by the American Physical Society. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.en
dc.subjectCondensed matter physicsen
dc.subjectMagnetismen
dc.subjectNonlinear dynamicsen
dc.subjectSemiconductor physicsen
dc.subjectQC Physicsen
dc.subjectDASen
dc.subjectBDCen
dc.subjectR2Cen
dc.subject.lccQCen
dc.titleSpontaneous spin bifurcations and ferromagnetic phase transitions in a spinor exciton-polariton condensateen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.identifier.doihttps://doi.org/10.1103/PhysRevX.5.031002
dc.description.statusPeer revieweden


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