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Elliptical and rectangular solitons in media with competing cubic–quintic nonlinearities

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  • Zeng, Liangwei
  • Belić, Milivoj R.
  • Mihalache, Dumitru
  • Zhu, Xing

Abstract

We demonstrate two new types of non-circularly-symmetric solitons, the elliptical and rectangular solitons, which can be sustained by the cubic–quintic nonlinearity in the nonlinear Schrödinger equation with a linear potential well. The characteristics of these solitons are investigated in some detail. Notably, the elliptical and circular solitons can transform into each other, and similarly the rectangular and square solitons can transform into each other. Interestingly, we find that elliptical and rectangular solitons can also transform into each other—a phenomenon not readily seen among different types of solitons. In addition, the rotation of elliptical and rectangular solitons is displayed as well. Finally, we find that stable vortex modes of elliptical and rectangular solitons can be also supported by our model.

Suggested Citation

  • Zeng, Liangwei & Belić, Milivoj R. & Mihalache, Dumitru & Zhu, Xing, 2024. "Elliptical and rectangular solitons in media with competing cubic–quintic nonlinearities," Chaos, Solitons & Fractals, Elsevier, vol. 181(C).
    • Handle: RePEc:eee:chsofr:v:181:y:2024:i:c:s0960077924001966
    DOI: 10.1016/j.chaos.2024.114645
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    References listed on IDEAS

    as
    1. Zeng, Liangwei & Mihalache, Dumitru & Malomed, Boris A. & Lu, Xiaowei & Cai, Yi & Zhu, Qifan & Li, Jingzhen, 2021. "Families of fundamental and multipole solitons in a cubic-quintic nonlinear lattice in fractional dimension," Chaos, Solitons & Fractals, Elsevier, vol. 144(C).
    2. Zhu, Xing & Xiang, Dan & Zeng, Liangwei, 2023. "Fundamental and multipole gap solitons in spin-orbit-coupled Bose-Einstein condensates with parity-time-symmetric Zeeman lattices," Chaos, Solitons & Fractals, Elsevier, vol. 169(C).
    3. Zhou, Qin & Triki, Houria & Xu, Jiakun & Zeng, Zhongliang & Liu, Wenjun & Biswas, Anjan, 2022. "Perturbation of chirped localized waves in a dual-power law nonlinear medium," Chaos, Solitons & Fractals, Elsevier, vol. 160(C).
    4. Zhu, Xing & Liao, Shangwen & Cai, Zhen & Qiu, Yunli & He, Yingji, 2021. "Solitons in Kerr media with two-dimensional non-parity-time-symmetric complex potentials," Chaos, Solitons & Fractals, Elsevier, vol. 146(C).
    5. Ding, Cui-Cui & Zhou, Qin & Xu, Si-Liu & Sun, Yun-Zhou & Liu, Wen-Jun & Mihalache, Dumitru & Malomed, Boris A., 2023. "Controlled nonautonomous matter–wave solitons in spinor Bose–Einstein condensates with spatiotemporal modulation," Chaos, Solitons & Fractals, Elsevier, vol. 169(C).
    6. Malomed, B.A., 2022. "Multidimensional dissipative solitons and solitary vortices," Chaos, Solitons & Fractals, Elsevier, vol. 163(C).
    7. Li, Pengfei & Malomed, Boris A. & Mihalache, Dumitru, 2020. "Vortex solitons in fractional nonlinear Schrödinger equation with the cubic-quintic nonlinearity," Chaos, Solitons & Fractals, Elsevier, vol. 137(C).
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