期刊
NONLINEAR DYNAMICS
卷 86, 期 2, 页码 999-1005出版社
SPRINGER
DOI: 10.1007/s11071-016-2941-8
关键词
Vector spatiotemporal solitons; (3+1)-dimensional coupled nonlocal nonlinear Schrodinger equation; Strongly nonlocal nonlinear media
资金
- National Natural Science Foundation of China [11375007, 11574272]
- Zhejiang Provincial Natural Science Foundation of China [Y17F050046, LY16A040014]
- Foundation of New Century 151 Talent Engineering of Zhejiang Province of China
- Youth Top-notch Talent Development and Training Program of Zhejiang AF University
We investigate the (3 1)-dimensional coupled nonlocal nonlinear Schrodinger equation in the inhomogeneous nonlocal nonlinear media and derive analytical vector spatiotemporal localized solution. Based on this solution, Gaussian solitons and some symmetric multipole patterns around the point can be constructed. The change trends of the amplitude and width of solitons are opposite, and they finally tend to a certain value. The compression and expansion of spatiotemporal localized structures are also studied in an exponential diffraction decreasing system.
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