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首页> 外文期刊>Physics of plasmas >Electron thermal effect on linear and nonlinear coupled Shukla-Varma and convective cell modes in dust-contaminated magnetoplasma
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Electron thermal effect on linear and nonlinear coupled Shukla-Varma and convective cell modes in dust-contaminated magnetoplasma

机译：电子热对粉尘污染的磁等离子体中线性和非线性耦合Shukla-Varma和对流细胞模式的影响

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摘要

Linear and nonlinear properties of coupled Shukla-Varma (SV) and convective cell modes in the presence of electron thermal effects are studied in a nonuniform magnetoplasma composed of electrons, ions, and extremely massive and negatively charged immobile dust grains. In the linear case, the modified dispersion relation is given and, in the nonlinear case, stationary solutions of the nonlinear equations that govern the dynamics of coupled SV and convective cell modes are obtained. It is found that electrostatic dipolar and vortex street type solutions can appear in such a plasma. The relevance of the present investigation with regard to the Earth's mesosphere as well as in ionospheric plasmas is also pointed out.
机译：在存在电子热效应的情况下，在不均匀的磁等离子体中研究了耦合的Shukla-Varma（SV）模式和对流细胞模式的线性和非线性性质，该等离子体由电子，离子以及极重且带负电的固定尘埃颗粒组成。在线性情况下，给出了修正的色散关系，在非线性情况下，获得了控制耦合的SV和对流单元模式动力学的非线性方程的平稳解。发现在这种等离子体中会出现静电偶极和涡街型溶液。还指出了目前研究与地球中层以及电离层等离子体的相关性。

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