A study is made of the influence of nonlinearity upon the structure of a steady-state disturbance brought about by low-frequency ([omega][double less-than sign][omega]i) monochromatic magnetosound propagating in a transversally inhomogeneous low-pressure plasma ([beta][double less-than sign]me/mi), in the vicinity of the Alfvén resonance point for the case when the principal linear mechanism for forming the transverse structure is provided by magnetic field diffusion due to small plasma resistivity. It is shown that the nonlinear properties of the fundamental harmonic of a disturbance are determined by its self-action through a plasma density variation that it produces. The disturbance structure in the region of the Alfvén resonance is described.
展开▼
机译：研究了非线性对在横向不均匀低压中传播的低频（ω[i]小于两倍）的磁磁声引起的稳态扰动结构的影响。当由于小的等离子体电阻率而通过磁场扩散提供了用于形成横向结构的主要线性机制的情况下，在Alfvén共振点附近的等离子体（βπ小于/ me / mi）。结果表明，扰动的基波谐波的非线性特性是由其自身产生的等离子体密度变化决定的。描述了Alfvén共振区域的扰动结构。
展开▼
