NDLI: Formation of nonquasineutral vortex plasma structures with a zero net current

Content Provider	Springer Nature Link
Author	Gordeev, A. V.
Copyright Year	2006
Abstract	A nonquasineutral vortex structure with a zero net current is described that arises as a result of electron drift in crossed magnetic and electric fields, the latter being produced by charge separation on a spatial scale of about the magnetic Debye radius r $_{ B }$ = \|B\|/(4πen $_{ e }$). In such a structure with a radius of r ∼ r $_{ B }$, the magnetic field is maintained by a drift current on the order of the electron Alfvén current J $_{ Ae }$ = m $_{ e }$ c $^{3}$/(2e) and can become as strong as B ≃ m $_{ e }$ c $^{2}$/(er). Estimates show that, in a plasma with a density of n $_{ e }$ = 10$^{21}$−10$^{23}$ cm$^{−3}$ and with nonzero electron vorticity driven by high-power laser radiation on a time scale on the order of θ pe −1 , magnetic fields with a strength of B ∼ 10$^{8}$−10$^{9}$ G are generated on micron and submicron scales. The system with closed current that is considered in the present paper can also serve as a model of hot spots in the channel of a Z-pinch.
Starting Page	921
Ending Page	926
Page Count	6
File Format	PDF
ISSN	1063780X
Journal	Plasma Physics Reports
Volume Number	32
Issue Number	11
e-ISSN	15626938
Language	English
Publisher	Nauka/Interperiodica
Publisher Date	2006-01-01
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Magnetized plasmas Plasma dynamics and flow Two-fluid and multi-fluid plasmas Magnetic confinement and equilibrium Atoms, Molecules, Clusters and Plasmas
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics

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