Collisionless Shock Wave Generation in Counter-Streaming Plasmas Using Gekko XII HIPER Laser
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概要
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Collisionless shock wave generation in counter-streaming plasmas for several target materials (Al, C, Cu, and Pb) is investigated using a high-power laser system. Counter-streaming plasmas are produced by irradiating an inner surface of a double-plane target. For Al, C, and Pb, a shock wave is observed in self-emission measurements similar to the previous experiment using a CH target [Y. Kuramitsu et al., J. Phys.: Conf. Series. 24, 042008 (2010)], and the width of the transition region is much shorter than the ion-ion collision mean-free-paths. The mean-free-paths tend to be longer for heavier materials, because the ionization degrees Z are not so different among these materials.
著者
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Li Yutong
Institute Of Physics Chinese Academy Science
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Wang Shoujun
Institute Of Physics Chinese Academy Science
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Takabe Hideaki
Institute For Laser Engineering Osaka University
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KURAMITSU Yasuhiro
Institute of Laser Engineering, Osaka University, 2-6 Yamadaoka, Suita, 565-0871, Japan
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WOOLSEY Nigel
Department of Physics, University of York, York, YO10 5DD, U.K.
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SAKAWA Youichi
Institute of Laser Engineering, Osaka University, 2-6 Yamadaoka, Suita, 565-0871, Japan
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DONG Quanli
Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
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IDE Takao
Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita 565-0871, Japan
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MORITA Taichi
Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Japan
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TANJI Hiroki
Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita 565-0871, Japan
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NISHIO Kento
Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Japan
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KATO Tsunehiko
Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita 565-0871, Japan
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OHNISHI Naofumi
Graduate School of Engineering, Tohoku University, 6-6-1 Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8579, Japan
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GREGORY Christopher
Department of Physics, University of York, Heslington, York, YO10 5DD, UK
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DIZIERE Alexandra
LULI Ecole polytechnique, 91128 Palaiseau Cedex, France
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KOENIG Michel
LULI Ecole polytechnique, 91128 Palaiseau Cedex, France
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SAKAWA Youichi
Institute of Laser Engineering, Osaka University
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SAKAWA Youichi
Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita 565-0871, Japan
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WOOLSEY Nigel
Department of Physics, University of York, Heslington, York, YO10 5DD, UK
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KURAMITSU Yasuhiro
Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita 565-0871, Japan
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WANG Shoujun
Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
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