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Vortex soliton in (2+1)-dimensional $$\mathcal {PT}$$ PT -symmetric nonlinear couplers with gain and loss

Crossref DOI link: https://doi.org/10.1007/s11071-015-2405-6

Published Online: 2015-09-21

Published Print: 2016-02

Update policy: https://doi.org/10.1007/springer_crossmark_policy