QUASICRYSTALLIZATION OF VORTICES IN DRIFT-WAVE TURBULENCE

被引：55
|
作者：
KUKHARKIN, N
ORSZAG, SA
YAKHOT, V
机构：
[1] Fluid Dynamics Research Center, Princeton University, Princeton
来源：
PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 13期
关键词：
D O I：
10.1103/PhysRevLett.75.2486
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The formation and dynamics of coherent vortices in the Hasegawa-Mima two-dimensional model of drift-wave turbulence is studied numerically. The effect of ''vortex shielding'' due to the presence of a characteristic length scale (ion Larmor radius p(s)) leads to important differences between self-organization in drift-wave and Navier-Stokes fluid turbulence. While it may not be surprising that a finite deformation radius leads to the formation of coherent vortices, we show here that it also results in the appearance of long-range order in the system, i.e., the formation of a vortical ''quasicrystal.''
引用
收藏
页码：2486 / 2489
页数：4
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