NONLINEAR EVOLUTION OF THE MODULATIONAL INSTABILITY OF WHISTLER WAVES

被引:16
作者
KARPMAN, VI [1 ]
HANSEN, FR [1 ]
HULD, T [1 ]
LYNOV, JP [1 ]
PECSELI, HL [1 ]
RASMUSSEN, JJ [1 ]
机构
[1] RISO NATL LAB,DEPT PHYS,ASSOC EURATOM,DK-4000 ROSKILDE,DENMARK
关键词
D O I
10.1103/PhysRevLett.64.890
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The nonlinear evolution of the modulational instability of whistler waves coupled to fast magnetosonic waves is investigated in two spatial dimensions by numerical simulations. The long time evolution of the modulational instability shows a quasirecurrent behavior with a slow spreading of the energy, originally confined to the lowest wave numbers, to larger and larger wave numbers resulting in an apparently chaotic or random wave field. © 1990 The American Physical Society.
引用
收藏
页码:890 / 893
页数:4
相关论文
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