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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Magnetic field effects on the backward branch of a surface ion-cyclotron wave
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Magnetic field effects on the backward branch of a surface ion-cyclotron wave

机译：磁场对表面离子回旋波向后分支的影响

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摘要

The effects of magnetic field strength on the backward branch of a surface ion-cyclotron wave are investigated in a semi-bounded magnetized plasma. The dispersion relation of the backward mode of the surface ion-cyclotron wave is obtained by the plasma dielectric function with the specular reflection boundary condition. The result shows the existence of the long wavelength backward mode in the surface ion-cyclotron wave. The frequency of the wave is found to be decreased with increasing wavenumber. It is also found that the wave frequency increases with an increase in the ratio of the electron gyrofrequency to the electron plasma frequency, i.e., with increasing the magnetic field strength. In addition, the group velocity of the surface ion-cyclotron wave decreases with decreasing the magnetic field strength.
机译：在半束缚磁化等离子体中研究了磁场强度对表面离子回旋波向后分支的影响。通过具有镜面反射边界条件的等离子介电函数获得表面离子回旋波的后向模的色散关系。结果表明在表面离子回旋波中存在长波长向后模式。发现波的频率随着波数的增加而降低。还发现，波频率随着电子陀螺频率与电子等离子体频率之比的增加，即随着磁场强度的增加而增加。另外，表面离子回旋波的群速度随着磁场强度的降低而降低。

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