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Multi-ion Double Layers in a Magnetized Plasma

Multi-ion Double Layers in a Magnetized Plasma
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摘要 A theoretical investigation is carried out to study the existence,formation and basic properties of ion acoustic(IA) double layers(DLs) in a magnetized bi-ion plasma consisting of warm/cold ions and Boltzmann distributed electrons.Based on the reductive perturbation technique,an extended Korteweg de-Vries(KdV) equation is derived.The propagation of two possible modes(fast and slow),and their evolution are investigated.The effects of obhqueness,magnitude of the magnetic field,ion concentration,polarity of ions,and ion temperature on the IA DL profile are analyzed,and then the ranges of parameters for which the IA DLs exist are investigated in details. A theoretical investigation is carried out to study the existence,formation and basic properties of ion acoustic(IA) double layers(DLs) in a magnetized bi-ion plasma consisting of warm/cold ions and Boltzmann distributed electrons.Based on the reductive perturbation technique,an extended Korteweg de-Vries(KdV) equation is derived.The propagation of two possible modes(fast and slow),and their evolution are investigated.The effects of obhqueness,magnitude of the magnetic field,ion concentration,polarity of ions,and ion temperature on the IA DL profile are analyzed,and then the ranges of parameters for which the IA DLs exist are investigated in details.
出处 《Communications in Theoretical Physics》 SCIE CAS CSCD 2015年第11期555-564,共10页 理论物理通讯(英文版)
关键词 ION ACOUSTIC WAVES bi-ion PLASMA DOUBLE-LAYERS ion acoustic waves bi-ion plasma double-layers
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参考文献20

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