Drag force in bimodal cubic-quintic nonlinear Schrodinger equation

被引：4

作者：

Feijoo, David ^{[1
]}

Ordonez, Ismael ^{[1
]}

Paredes, Angel ^{[1
]}

Michinel, Humberto ^{[1
]}

机构：

[1] Univ Vigo, Dept Fis Aplicada, Area Opt, ES-32004 Orense, Spain

来源：

PHYSICAL REVIEW E | 2014年 / 90卷 / 03期

关键词：

PHASE MODULATION TERM; OPTICAL SOLITONS; BOSE CONDENSATE; SOLITARY WAVES; MODEL; MEDIA; STABILITY; MOTIONS;

D O I：

10.1103/PhysRevE.90.033204

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 consider a system of two cubic-quintic nonlinear Schrodinger equations in two dimensions, coupled by repulsive cubic terms. We analyze situations in which a probe lump of one of the modes is surrounded by a fluid of the other one and analyze their interaction. We find a realization of D'Alembert's paradox for small velocities and nontrivial drag forces for larger ones. We present numerical analysis including the search of static and traveling form-preserving solutions along with simulations of the dynamical evolution in some representative examples.

引用

页数：7

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