JET FORMATION IN COUNTERSTREAMING COLLISIONLESS PLASMAS

Autor:	S. Dono, Youichi Sakawa, Taichi Morita, Hideaki Takabe, M. Koenig, Yasuhiro Kuramitsu, Nigel Woolsey, H. Aoki, Berenice Loupias, J. N. Waugh, H. Tanji, Christopher D. Gregory
Rok vydání:	2009
Předmět:	Physics Jet (fluid) Mean free path Astrophysics::High Energy Astrophysical Phenomena Time evolution Astronomy and Astrophysics Astrophysics Plasma Shadowgraphy Charged particle Computational physics Ion Magnetic field Physics::Plasma Physics Space and Planetary Science Physics::Space Physics
Zdroj:	The Astrophysical Journal. 707:L137-L141
ISSN:	1538-4357 0004-637X
DOI:	10.1088/0004-637x/707/2/l137
Popis:	Plasma jet formation was observed in counterstreaming plasmas in a laboratory experiment. In order to model an ambient plasma of astrophysical jets, the counterstreaming plasmas were created by irradiating a double CH-plane target with a high-power laser system. Since the mean free paths of the ions in terms of the counterstreaming motion were larger than the scale length of the experiment, the two-stream interaction of the plasmas was essentially collisionless. The time evolution of the jet collimation was obtained over several shots with different timing by shadowgraphy. When a single CH-plane target was irradiated, no jet collimation was observed. The counterstreaming plasma as an ambient plasma is essential for the jet plasma to collimate.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::9c6e080556c2de64fdc126b37e813a3d https://doi.org/10.1088/0004-637x/707/2/l137 Zobrazit plný text záznamu