Nonlinear wave propagation in a strongly coupled collisional dusty plasma

被引：60

作者：

Ghosh, Samiran ^{[1
]}

Gupta, Mithil Ranjan ^{[2
]}

Chakrabarti, Nikhil ^{[3
]}

Chaudhuri, Manis ^{[4
]}

机构：

[1] Univ Calcutta, Dept Appl Math, Kolkata 700009, India

[2] Jadavpur Univ, Dept Instrumentat Sci, Kolkata 700032, India

[3] Saha Inst Nucl Phys, Kolkata 700064, W Bengal, India

[4] Max Planck Inst Extraterr Phys, D-85741 Garching, Germany

来源：

PHYSICAL REVIEW E | 2011年 / 83卷 / 06期

关键词：

ACOUSTIC-WAVES; COLLECTIVE MODES; CRYSTALLIZATION; DISPERSION; LIQUIDS; SHOCKS;

D O I：

10.1103/PhysRevE.83.066406

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：

The propagation of a nonlinear low-frequency mode in a strongly coupled dusty plasma is investigated using a generalized hydrodynamical model. For the well-known longitudinal dust acoustic mode a standard perturbative approach leads to a Korteweg-de Vries (KdV) soliton. The strong viscoelastic effect, however, introduced a nonlinear forcing and a linear damping in the KdV equation. This novel equation is solved analytically to show a competition between nonlinear forcing and dissipative damping. The physical consequence of such a solution is also sketched.

引用

页数：6

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