SPATIOTEMPORAL PULSE COLLAPSE ON PERIODIC POTENTIALS

被引:24
作者
KIVSHAR, YS [1 ]
TURITSYN, SK [1 ]
机构
[1] RUSSIAN ACAD SCI, INST AUTOMAT & ELECTROMETRY, NOVOSIBIRSK 630090, RUSSIA
关键词
D O I
10.1103/PhysRevE.49.R2536
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
We present analytical results, based on the separation of different spatial scales and integral relations, which describe the spatiotemporal evolution of pulses in a nonlinear medium with periodically varying parameters (e.g., a nonlinear waveguide with a grating). Exact sufficient criteria for blow-up are formulated and the dependence of the spatiotemporal pulse collapse on the grating amplitude and period is discussed.
引用
收藏
页码:R2536 / R2539
页数:4
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