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Interactions of electrons with two lower hybrid waves
Huang, Yueheng1,2,3; Xiang, Nong1,3; Jia, Guozhang1,3; Li, Dehui1,3; Wang, Xueyi1,4; Lin, Yu1,4
2016-09-01
发表期刊PHYSICS OF PLASMAS
摘要The effects of perturbed orbits on the interactions of electrons with two lower hybrid waves, one of which is resonant with electrons at a low phase velocity (nu(p1) = 3.8V(the), where nu(p1) is the wave phase velocity and V-the is the electron thermal speed) while the other is off-resonant at a high phase velocity (nu(p2) = 5.5V(the)), have been studied by using the particle simulation code based on the gyrokinetic electron and fully-kinetic ion (GeFi) model [Lin et al., Plasma Phys. Controlled Fusion 47, 657 (2005)]. When the amplitude of the off-resonant wave is sufficiently small so that the resonances of these two waves do not overlap, the variation of the resonant wave amplitude is similar to that predicted by O'Neil's theory [O'Neil, Plasma Fluid 8, 12 (1965)]. With the increasing amplitude, the two resonances overlap and large scale chaos emerges. As a result, the damping of the resonant wave can be enhanced, which is due to that the trapped electron orbits are significantly perturbed by the off-resonant wave. The diffusion process gives rise to the enhanced damping. When the overlap is sufficiently large, the damping of the off-resonant wave and the oscillatory behavior of the wave amplitude are observed. In addition, the resonant plateau in the distribution function can be broadened due to the change in the chaotic region boundaries as the electron perturbed orbits are taken into account. Published by AIP Publishing.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1063/1.4963393
关键词[WOS]PROPAGATING LANGMUIR WAVE ; PLASMA ; INSTABILITY ; SIMULATION ; EVOLUTION ; TOKAMAK ; RANGE
收录类别SCI
语种英语
项目资助者program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; program of Fusion Reactor Physics and Digital Tokamak ; CAS ; CAS ; CAS ; CAS ; CAS ; CAS ; CAS ; CAS ; CAS ; CAS ; CAS ; CAS ; CAS ; CAS ; CAS ; CAS ; JSPS-NRF-NSFC (NSFC)(11261140328) ; 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National Natural Science Foundation of China(11505227 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; National Magnetic Confinement Fusion Science Program of China(2013GB111002 ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; NSF(NSF-AGS-1405225) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; DoE(DE-SC0010486) ; 11475220 ; 11475220 ; 11475220 ; 11475220 ; 11475220 ; 11475220 ; 11475220 ; 11475220 ; 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WOS研究方向Physics
WOS类目Physics, Fluids & Plasmas
WOS记录号WOS:000385633200019
引用统计
被引频次：5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/21802
专题中科院等离子体物理研究所
作者单位1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Peoples R China
3.Chinese Acad Sci, Ctr Magnet Fus Theory, Hefei 230031, Peoples R China
4.Auburn Univ, Dept Phys, Allison Lab 206, Auburn, AL 36849 USA
第一作者单位中科院等离子体物理研究所
推荐引用方式
GB/T 7714		 Huang, Yueheng,Xiang, Nong,Jia, Guozhang,et al. Interactions of electrons with two lower hybrid waves[J]. PHYSICS OF PLASMAS,2016,23(9):092114.
APA Huang, Yueheng,Xiang, Nong,Jia, Guozhang,Li, Dehui,Wang, Xueyi,&Lin, Yu.(2016).Interactions of electrons with two lower hybrid waves.PHYSICS OF PLASMAS,23(9),092114.
MLA Huang, Yueheng,et al."Interactions of electrons with two lower hybrid waves".PHYSICS OF PLASMAS 23.9(2016):092114.
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