Effect of spin quantum force on lower and upper hybrid waves’ instability under the influence of an electron beam in a magnetized semiconductor plasma

IF 1.6 4区物理与天体物理 Q3 PHYSICS, CONDENSED MATTER

The European Physical Journal B Pub Date : 2024-09-09 DOI:10.1140/epjb/s10051-024-00768-3

Krishna Sharma, Utpal Deka

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Abstract

The influence of the spin quantum forces along with other quantum parameters, including the Bohmian force, spin quantum force, exchange–correlation potential, and quantum statistical pressure of the quantized degenerate species were considered to examine the excitation of comparatively low frequency electrostatic lower hybrid waves (LHWs) and upper hybrid waves (UHWs) driven by an electron beam in a magnetized semiconductor plasma. The investigation is done using the quantum hydrodynamic framework. The influence of the spin quantum force, electron beam temperature, beam streaming speed, and propagation angle on the growth and phase speed of LHWs and UHWs have been analysed. Each of the parameters affects the instability, the growth rate, and the resonant values. One of the notable outcomes is the effect of temperature on the instability. The resonance value of the maximal growth rate is affected due to the different parameters. The inclusion of the spin quantum force shifts the growth rate in both LHWs and UHWs.

Graphical abstract

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自旋量子力对磁化半导体等离子体中电子束影响下的上下混合波不稳定性的影响

在研究磁化半导体等离子体中电子束驱动的相对低频静电下混合波（LHWs）和上混合波（UHWs）的激发时，考虑了自旋量子力和其他量子参数的影响，包括玻尔曼力、自旋量子力、交换相关势和量子化退化物种的量子统计压力。研究采用了量子流体力学框架。分析了自旋量子力、电子束温度、束流速度和传播角度对 LHWs 和 UHWs 的增长和相速的影响。每个参数都会影响不稳定性、生长速度和谐振值。其中一个显著的结果是温度对不稳定性的影响。最大增长率的共振值会受到不同参数的影响。自旋量子力的加入改变了 LHW 和 UHW 的增长率。

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