强非局域非线性介质中的二维库墨-高斯孤子簇
Two-dimensional Kummer-Gaussian soliton clusters in strongly nonlocal nonlinear media
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摘要: 利用自相似技术求解一个在强非局域非线性条件下的(2+1)维非线性薛定谔方程,得到一个精确的库墨-高斯解析解,数值模拟与解析解的一致性表明,这种库墨-高斯孤子形成了一类空间孤子簇.发现这种非局域孤子具有较大的相移.Abstract: We solve the two-dimensional strongly nonlocal nonlinear Schrodinger equation in polar coordinates.An exact analytical solution of self-similar waves, namely Kummer-Gaussian soliton clusters, is obtained.Numerical simulations confirm the validity of the analytical solutions.It is shown that the nonlocal optical spacial solitons have large phase shift.
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