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Filamentation instability in two counter-streaming laser plasmas |
| Hui Liu(刘慧)1, Quan-Li Dong(董全力)1,7, Da-Wei Yuan(袁大伟)2,3, Xun Liu(刘勋)2, Neng Hua(华能)4, Zhan-Feng Qiao(乔战峰)4, Bao-Qiang Zhu(朱宝强)4, Jian-Qiang Zhu(朱健强)4, Bo-Bin Jiang(蒋柏彬)5, Kai Du(杜凯)5, Yong-Jian Tang(唐永健)5, Gang Zhao(赵刚)3, Xiao-Hui Yuan(远晓辉)6,7, Zheng-Ming Sheng(盛政明)6,7,8, Jie Zhang(张杰)6,7 |
1. School of Physics and Optoelectronic Engineerings, Ludong University, Yantai 264025, China;
2. Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
3. National Astronomical Observatories of China, Chinese Academy of Sciences, Beijing 100012, China;
4. National Laboratory on High Power Lasers and Physics, Shanghai 201800, China;
5. Research Center of Laser Fusion, Chinese Academy of Engineering Physics, Mianyang 621900, China;
6. Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, China;
7. Innovative Collaboration Center of IFSA, Shanghai Jiao Tong University, Shanghai 200240, China;
8. SUPA, Physics Department, University of Strathclyde, Glasgow G4 0NG, UK |
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Abstract The filamentation instability was observed in the interaction of two counter-streaming laser ablated plasma flows, which were supersonic, collisionless, and also closely relevant to astrophysical conditions. The plasma flows were created by irradiating a pair of oppositely standing plastic (CH) foils with 1ns-pulsed laser beams of total energy of 1.7 kJ in two laser spots. With characteristics diagnosed in experiments, the calculated features of Weibel-type filaments are in good agreement with measurements.
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Received: 29 August 2016
Revised: 23 September 2016
Accepted manuscript online:
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PACS:
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52.38.Fz
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(Laser-induced magnetic fields in plasmas)
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52.35.Qz
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(Microinstabilities (ion-acoustic, two-stream, loss-cone, beam-plasma, drift, ion- or electron-cyclotron, etc.))
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52.30.-q
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(Plasma dynamics and flow)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11074297, 11674146, and 11220101002) and the National Basic Research Program of China (Grant No. 2013CBA01500. |
Corresponding Authors:
Quan-Li Dong
E-mail: qldong@aphy.iphy.ac.cn
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Cite this article:
Hui Liu(刘慧), Quan-Li Dong(董全力), Da-Wei Yuan(袁大伟), Xun Liu(刘勋), Neng Hua(华能), Zhan-Feng Qiao(乔战峰), Bao-Qiang Zhu(朱宝强), Jian-Qiang Zhu(朱健强), Bo-Bin Jiang(蒋柏彬), Kai Du(杜凯), Yong-Jian Tang(唐永健), Gang Zhao(赵刚), Xiao-Hui Yuan(远晓辉), Zheng-Ming Sheng(盛政明), Jie Zhang(张杰) Filamentation instability in two counter-streaming laser plasmas 2016 Chin. Phys. B 25 125201
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