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Exact vector multipole and vortex solitons in the media with spatially modulated cubic–quintic nonlinearity

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Abstract

A (2+1)-dimensional N-coupled nonlinear Schrödinger equation with spatially modulated cubic–quintic nonlinearity and transverse modulation is studied, and vector multipole and vortex soliton solutions are analytically obtained. When the modulation depth q is chosen as 0 and 1, vector multipole and vortex solitons are constructed, respectively. The number of “petals” for the multipole solitons and vortex solitons is related to the value of the topological charge m, and the number of layers in the multipole solitons and vortex solitons is determined by the value of the soliton order number n.

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Acknowledgements

This work was supported by the Zhejiang Provincial Natural Science Foundation of China (Grant Nos. LY17A040011 and LY17F050011) and the National Natural Science Foundation of China (Grant Nos. 11404289 and 11375007).

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Authors and Affiliations

  1. School of Sciences, Zhejiang A&F University, Lin’an, 311300, Zhejiang, People’s Republic of China

    Yue-Yue Wang, Liang Chen, Chao-Qing Dai, Jun Zheng & Yan Fan

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  1. Yue-Yue Wang
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  2. Liang Chen
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  5. Yan Fan
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Correspondence to Yue-Yue Wang.

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Wang, YY., Chen, L., Dai, CQ. et al. Exact vector multipole and vortex solitons in the media with spatially modulated cubic–quintic nonlinearity. Nonlinear Dyn 90, 1269–1275 (2017). https://doi.org/10.1007/s11071-017-3725-5

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  • DOI: https://doi.org/10.1007/s11071-017-3725-5

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