Collisionless shockwave generation in counter-streaming plasmas using Gekko XII HIPER laser

Takao Ide, Youichi Sakawa, Yasuhiro Kuramitsu, Taichi Morita, Hiroki Tanji, Kento Nishio, Tsunehiko Kato, Naofumi Ohnishi, Christopher D. Gregory, Nigel Woolsey, Alexandra Diziere, Michel Koenig, Shoujun Wang, Quanli Dong, Yutong Li, Hideaki Takabe

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Article number2402057
JournalPlasma and Fusion Research
Volume6
Issue number1 SPECIAL ISSUE
DOIs
Publication statusPublished - 2011 Dec 1

Keywords

  • Colissionless shock
  • Laboratory astrophysics
  • Laser plasma

ASJC Scopus subject areas

  • Condensed Matter Physics

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    Ide, T., Sakawa, Y., Kuramitsu, Y., Morita, T., Tanji, H., Nishio, K., Kato, T., Ohnishi, N., Gregory, C. D., Woolsey, N., Diziere, A., Koenig, M., Wang, S., Dong, Q., Li, Y., & Takabe, H. (2011). Collisionless shockwave generation in counter-streaming plasmas using Gekko XII HIPER laser. Plasma and Fusion Research, 6(1 SPECIAL ISSUE), [2402057]. https://doi.org/10.1585/pfr.6.2402057