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dc.contributor.authorXu, Xingranen_US
dc.contributor.authorXu, Huawenen_US
dc.contributor.authorMandal, S.en_US
dc.contributor.authorBanerjee, R.en_US
dc.contributor.authorGhosh, Sanjiben_US
dc.contributor.authorLiew, Timothy Chi Hinen_US
dc.identifier.citationXu, X., Xu, H., Mandal, S., Banerjee, R., Ghosh, S. & Liew, T. C. H. (2021). Interaction-induced double-sided skin effect in an exciton-polariton system. Physical Review B, 103, 235306-.
dc.description.abstractThe non-Hermitian skin effect can be realized through asymmetric hopping between forward and backward directions, where all the modes of the system are localized at one edge of a finite 1D lattice. Here we show theoretically that in a finite chain of 1D exciton-polariton micropillars with symmetric hopping, the inherent nonlinearity of the system can exhibit a double-sided skin (bi-skin) effect based of the fluctuations of the system, where the modes of the system are localized at the two edges of the system. To show the topological origin of such modes, we calculate the winding number. The bi-skin effect can be detected experimentally as an intensity drop at one edge of the chain and an increase at the opposite edge upon an increase of the polariton density under continuous wave excitation.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.relation.ispartofPhysical Review Ben_US
dc.rights© 2021 American Physical Society. All rights reserved. This paper was published in Physical Review B and is made available with permission of American Physical Society.en_US
dc.titleInteraction-induced double-sided skin effect in an exciton-polariton systemen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.description.versionPublished versionen_US
dc.subject.keywordsSkin Effecten_US
dc.description.acknowledgementThis work was supported by the Singaporean Ministry of Education, via the Tier 2 Academic Research Fund Project No. MOE2018-T2-2-068en_US
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