基于Hirota双线性方法,得到了(2+1)维变非线性系数薛定谔方程的一个孤子解.数值模拟与解析解的一致性表明,在圆柱对称的坐标系中,这种克尔型孤子形成了一类新的涡流型的空间孤子簇.这些孤子的传输是稳定的,独立于传输距离.
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