Rotating soliton clusters in nonlocal nonlinear media 被引量：2

Rotating soliton clusters in nonlocal nonlinear media

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摘要 From the study of the dynamics for the ring-like soliton clusters, we find that there exists a critical value of the ring radius, dcr, for the stationary rotation of the clusters with respect to the beam centre even in the presence of the relatively strong noise, and that the soliton clusters will not rotate but only undergo periodic collisions in the form of simple harmonic oscillator if the ring radius is large enough. We also show that the direction of the rotation can be opposite to the direction of phase gradient when the relative phase difference is within the domain 0 〈｜θ｜〈 π, while along the direction of phase gradient when the relative phase difference is within the domain π 〈｜θ｜〈 2π From the study of the dynamics for the ring-like soliton clusters, we find that there exists a critical value of the ring radius, dcr, for the stationary rotation of the clusters with respect to the beam centre even in the presence of the relatively strong noise, and that the soliton clusters will not rotate but only undergo periodic collisions in the form of simple harmonic oscillator if the ring radius is large enough. We also show that the direction of the rotation can be opposite to the direction of phase gradient when the relative phase difference is within the domain 0 〈｜θ｜〈 π, while along the direction of phase gradient when the relative phase difference is within the domain π 〈｜θ｜〈 2π

作者王玉青郭旗

机构地区 Laboratory of Photonic Information Technology

出处《Chinese Physics B》 SCIE EI CAS CSCD 2008年第7期2527-2534,共8页 中国物理B（英文版）

基金 supported by the National Natural Science Foundation of China (Grant Nos 10474023 and 10674050) Specialized Research Fund for the Doctoral Program of Higher Education,China (Grant No 20060574006) the Program for Innovative Research Team of the Higher Education in Guangdong Province,China (Grant No 06CXTD005)

关键词 nonlocal nonlinear Schroedinger equation spatial optical soliton soliton clusters nonlocal nonlinear Schroedinger equation, spatial optical soliton, soliton clusters

分类号 O437 [机械工程—光学工程]

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