Hollow ring-like soliton and dipole soliton in ( $$\varvec{2+1}$$ 2 + 1 )-dimensional $$\varvec{\mathcal {PT}}$$ PT -symmetric nonlinear couplers with gain and loss
Crossref DOI link: https://doi.org/10.1007/s11071-015-2423-4
Published Online: 2015-10-12
Published Print: 2016-02
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Xu, Yun-Jie
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