The Weibel instability is investigated using relativistic intense short laser pulses. A relativistic short laser pulse can generate a sub-relativistic high-density collisionless plasma. By irradiating double parallel planar targets with two relativistic laser pulses, sub-relativistic collisionless counterstreaming plasmas are created. Since the growth rate of the Weibel instability is proportional to the plasma density and velocity, the spatial and temporal scales of the Weibel instability can be much smaller than that from nanosecond large laser facilities. Recent theoretical and numerical studies have revealed that astrophysical collisionless shocks in sub-relativistic regimes in the absence and presence of an ambient magnetic field play essential roles in cosmic ray acceleration. With experimental verification in mind, we discuss the possible experimental models on the Weibel instability with intense short laser pulses. In order to show the experimental feasibility, we perform 2D particle-in-cell simulations in the absence of an external magnetic field as the first step and discuss the optimum conditions to realize the nonlinear evolutions of the Weibel instability in laboratories.
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March 2023
Research Article|
March 22 2023
Nonlinear evolution of the Weibel instability with relativistic laser pulses
Yasuhiro Kuramitsu
;
Yasuhiro Kuramitsu
a)
(Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Visualization, Writing – original draft)
1
Graduate School of Engineering, Osaka University
, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
2
Institute of Laser Engineering, Osaka University
, 2-6 Yamadaoka, Suita, Osaka 565-0871, Japan
a)Author to whom correspondence should be addressed: kuramitsu@eei.eng.osaka-u.ac.jp
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Yosuke Matsumoto
;
Yosuke Matsumoto
(Conceptualization, Data curation, Investigation, Validation, Writing – review & editing)
3
Institute for Advanced Academic Research, Chiba University
, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
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Takanobu Amano
Takanobu Amano
(Conceptualization, Data curation, Investigation, Validation, Writing – review & editing)
4
Department of Earth and Planetary Science, University of Tokyo
, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
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a)Author to whom correspondence should be addressed: kuramitsu@eei.eng.osaka-u.ac.jp
Physics of Plasmas 30, 032109 (2023)
Article history
Received:
December 15 2022
Accepted:
February 26 2023
Citation
Yasuhiro Kuramitsu, Yosuke Matsumoto, Takanobu Amano; Nonlinear evolution of the Weibel instability with relativistic laser pulses. Physics of Plasmas 1 March 2023; 30 (3): 032109. https://doi.org/10.1063/5.0138855
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