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Title: Driven-dissipative spin chain model based on exciton-polariton condensates
Authors: Liew, Timothy Chi Hin
Baumberg, J. J.
Shelykh, I. A.
Sigurdsson, H.
Ramsay, A. J.
Ohadi, H.
Rubo, Y. G.
Keywords: Bose-Einstein Condensates
Exciton Polariton
Issue Date: 2017
Source: Sigurdsson, H., Ramsay, A. J., Ohadi, H., Rubo, Y. G., Liew, T. C. H., Baumberg, J. J., et al. (2017). Driven-dissipative spin chain model based on exciton-polariton condensates. Physical Review B, 96(15), 155403-.
Series/Report no.: Physical Review B
Abstract: An infinite chain of driven-dissipative condensate spins with uniform nearest-neighbor coherent coupling is solved analytically and investigated numerically. Above a critical occupation threshold the condensates undergo spontaneous spin bifurcation (becoming magnetized) forming a binary chain of spin-up or spin-down states. Minimization of the bifurcation threshold determines the magnetic order as a function of the coupling strength. This allows control of multiple magnetic orders via adiabatic (slow ramping of) pumping. In addition to ferromagnetic and antiferromagnetic ordered states we show the formation of a paired-spin ordered state|⋯↑↑↓↓⋯⟩ as a consequence of the phase degree of freedom between condensates.
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.96.155403
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: []. 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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