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首页> 外文期刊>Journal of optoelectronics and advanced materials >Effects of varying strong nonlocality on the propagation and interaction of bright solitons in nonlinear media
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Effects of varying strong nonlocality on the propagation and interaction of bright solitons in nonlinear media

机译：强烈的非局部变化对亮孤子在非线性介质中传播和相互作用的影响

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摘要

Dynamics of bright solitons are investigated by the numerical simulation in nonlinear media with varying nonlocality, and effects of the varying randomly and periodically nonlocalities on the soliton propagation and interaction are analyzed. The strong nonlocality is expanded as the fundamental nonlocality and the second-order nonlocality, and effects of the fundamental nonlocality is different from those of the second-order nonlocality. The constant nonlocality stabilizes propagation of the bright soliton if the nonlocality is strong enough, and suppresses the interaction. But the varying nonlocality leads to disintegration of the bright soliton and enhances the interaction. The effects of the varying randomly nonlocality strictly depend on the stochastic strength, and the effects of the varying periodically nonlocality become completely reliant on the period length.
机译：通过数值模拟研究了非局部性变化的非线性介质中亮孤子的动力学，并分析了随机性和周期性非局部性变化对孤子传播和相互作用的影响。强非本地性随着基本非本地性和第二阶非本地性而扩展，并且基本非本地性的影响不同于第二阶非本地性的影响。如果非局部性足够强，则恒定的非局部性会稳定亮孤子的传播，并抑制相互作用。但是变化的非局部性导致亮孤子的分解并增强相互作用。随机非局部性变化的影响严格取决于随机强度，周期性非局部性变化的影响完全取决于周期长度。

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