Time evolution of the plasma spatial structure during the formation of a current sheet in argon according to holographic interferometry |
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Authors: | G V Ostrovskaya A G Frank |
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Institution: | 1. Ioffe Physical Technical Institute, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia 2. Prokhorov General Physics Institute, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia
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Abstract: | The spatiotemporal dynamics of plasma sheets formed in argon plasma in two- and three-dimensional magnetic configurations with an X-type singular line was studied using holographic interferometry. An analogy is revealed between the development of plasma sheets and the time evolution of the current sheet structure, which was previously studied using magnetic measurements. In the late stage of the sheet evolution, a change in the rotation direction of plasma sheets formed in 3D magnetic configurations was observed. Apparently, this is caused by a change in the direction of the Hall currents at the side edges of the current sheet. |
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