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https://hdl.handle.net/10356/85823
Title: | Spontaneous and superfluid chiral edge states in exciton-polariton condensates | Authors: | Sigurdsson, H. Li, G. Liew, Timothy Chi Hin |
Keywords: | Exciton Polariton Spinor Bose-Einstein Condensates |
Issue Date: | 2017 | Source: | Sigurdsson, H., Li, G., & Liew, T. C. H. (2017). Spontaneous and superfluid chiral edge states in exciton-polariton condensates. Physical Review B, 96(11), 115453-. | Series/Report no.: | Physical Review B | Abstract: | We present a scheme of interaction-induced topological band structures based on the spin anisotropy of exciton-polaritons in semiconductor microcavities. We predict theoretically that this scheme allows the engineering of topological gaps, without requiring a magnetic field or strong spin-orbit interaction (transverse electric-transverse magnetic splitting). Under nonresonant pumping we find that an initially topologically trivial system undergoes a topological transition upon the spontaneous breaking of phase symmetry associated with polariton condensation. Under either nonresonant or resonant coherent pumping we find that it is also possible to engineer a topological dispersion that is linear in wave vector—a property associated with polariton superfluidity. | URI: | https://hdl.handle.net/10356/85823 http://hdl.handle.net/10220/45371 |
ISSN: | 2469-9950 | DOI: | 10.1103/PhysRevB.96.115453 | Schools: | School of Physical and Mathematical Sciences | Rights: | © 2017 American Physical Society (APS). This paper was published in Physical Review B and is made available as an electronic reprint (preprint) with permission of American Physical Society (APS). The published version is available at: [http://dx.doi.org/10.1103/PhysRevB.96.115453]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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Spontaneous and superfluid chiral edge states in exciton-polariton condensates.pdf | 1.73 MB | Adobe PDF | View/Open |
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