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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Propagation of surface waves in semi-bounded quantum collisional plasmas with electron exchange-correlation effects
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Propagation of surface waves in semi-bounded quantum collisional plasmas with electron exchange-correlation effects

机译：具有电子交换相关效应的半界量子碰撞等离子体中表面波的传播

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摘要

The propagation of surface waves in semi-bounded quantum collisional plasmas are investigated by taking into account the quantum Bohm potential, Fermi statistical pressure, electron exchange-correlation effects and collisional effects. The modified quantum hydrodynamic model in conjunction with Maxwell equations are used to obtain the new general dispersion relations of surface waves, and the dispersion relations are discussed in some special cases of interest. It is indicated that the wave frequency spectrum can be down-shifted due to the electron exchange-correlation effects. It is also shown that the growth rate of surface waves instability can be enhanced by increasing the collisional frequency, especially in the short wavelength region. The corresponding results can be helpful for identifying surface waves which transport in intense metallic plasmas.
机译：通过考虑量子BoHM电位，费米统计压力，电子交换相关效果和碰撞效应，研究了表面波在半界量子碰撞等离子体中的传播。 改进的量子流体动力学模型与麦克斯韦方程结合使用来获得表面波的新一般色散关系，并且在一些特殊的感兴趣的情况下讨论了分散关系。 结果表明，由于电子交换相关效应，波频谱可以倒置。 还表明，通过增加碰撞频率，尤其是在短波长区域中，可以提高表面波不稳定性的生长速率。 相应的结果可以有助于识别在强烈的金属等离子体中运输的表面波。

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