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The controllable electron-heating by external magnetic fields at relativistic laser-solid interactions in the presence of large scale pre-plasmas
Wu, D.; Luan, S. X.; Wang, J. W.; Yu, W.; Gong, J. X.; Cao, L. H.; Zheng, C. Y.; He, X. T.; wudong@siom.ac.cn; weiyu@mail.shcnc.ac.cn; cao_lihua@iapcm.ac.cn
2017
发表期刊Plasma Phys. Control. Fusion
卷号59期号:6
摘要The two-stage electron acceleration/ heating model (Wu et al 2017 Nucl. Fusion 57 016007 and Wu et al 2016 Phys. Plasmas 23 123116) is extended to the study of laser magnetized-plasmas interactions at relativistic intensities and in the presence of large-scale preformed plasmas. It is shown that the electron-heating efficiency is a controllable value by the external magnetic fields. Detailed studies indicate that for a right-hand circularly polarized laser, the electron heating efficiency depends on both strength and directions of external magnetic fields. The electronheating is dramatically enhanced when the external magnetic field is of B equivalent to omega(c) /omega(0) > 1. When magnetic field is of negative direction, i.e. B < 0, it trends to suppress the electron heating. The underlining physics-the dependences of electron-heating on both the strength and directions of the external magnetic fields-is uncovered. With -infinity < B < 1, the electron-heating is explained by the synergetic effects by longitudinal charge separation electric field and the reflected 'envelop-modulated' CP laser. It is indicated that the 'modulation depth' of reflected CP laser is significantly determined by the external magnetic fields, which will in turn influence the efficiency of the electron-heating. While with B > 1, a laser front sharpening mechanism is identified at relativistic laser magnetized-plasmas interactions, which is responsible for the dramatical enhancement of electron-heating.
文章类型Article
部门归属强光
DOI10.1088/1361-6587/aa69a9
资助者National Natural Science Foundation of China [11605269, 11674341, 11675245]; National Basic Research Program of China [2013CBA01504]; National Key Research and Development Program of China [2016YFA0401101] ; National Natural Science Foundation of China [11605269, 11674341, 11675245]; National Basic Research Program of China [2013CBA01504]; National Key Research and Development Program of China [2016YFA0401101] ; National Natural Science Foundation of China [11605269, 11674341, 11675245]; National Basic Research Program of China [2013CBA01504]; National Key Research and Development Program of China [2016YFA0401101] ; National Natural Science Foundation of China [11605269, 11674341, 11675245]; National Basic Research Program of China [2013CBA01504]; National Key Research and Development Program of China [2016YFA0401101]
收录类别SCI
资助者National Natural Science Foundation of China [11605269, 11674341, 11675245]; National Basic Research Program of China [2013CBA01504]; National Key Research and Development Program of China [2016YFA0401101] ; National Natural Science Foundation of China [11605269, 11674341, 11675245]; National Basic Research Program of China [2013CBA01504]; National Key Research and Development Program of China [2016YFA0401101] ; National Natural Science Foundation of China [11605269, 11674341, 11675245]; National Basic Research Program of China [2013CBA01504]; National Key Research and Development Program of China [2016YFA0401101] ; National Natural Science Foundation of China [11605269, 11674341, 11675245]; National Basic Research Program of China [2013CBA01504]; National Key Research and Development Program of China [2016YFA0401101]
WOS记录号WOS:000400091100001
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/27744
专题强场激光物理国家重点实验室
通讯作者wudong@siom.ac.cn; weiyu@mail.shcnc.ac.cn; cao_lihua@iapcm.ac.cn
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
GB/T 7714
Wu, D.,Luan, S. X.,Wang, J. W.,et al. The controllable electron-heating by external magnetic fields at relativistic laser-solid interactions in the presence of large scale pre-plasmas[J]. Plasma Phys. Control. Fusion,2017,59(6).
APA Wu, D..,Luan, S. X..,Wang, J. W..,Yu, W..,Gong, J. X..,...&cao_lihua@iapcm.ac.cn.(2017).The controllable electron-heating by external magnetic fields at relativistic laser-solid interactions in the presence of large scale pre-plasmas.Plasma Phys. Control. Fusion,59(6).
MLA Wu, D.,et al."The controllable electron-heating by external magnetic fields at relativistic laser-solid interactions in the presence of large scale pre-plasmas".Plasma Phys. Control. Fusion 59.6(2017).
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