Phase space analysis for dynamics of three vortices of pure electron plasma trapped with Penning trap

A trilinear phase space analysis is applied for dynamics of three electron clumps confined with a Penning-Malmberg trap. We show that the Aref’s concept of phase space describe the observed features of the dynamics of three point vortices qualitatively. In vacuum, phase point P moves to physical reg...

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Bibliographic Details
Main Authors: Sanpei, Akio, Soga, Yukihiro, Ito, Kiyokazu, Himura, Haruhiko
Format: Conference Proceeding
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Atmospheric pressure
Clumps
Electron plasma
ELECTRONS
Low level
PHASE SPACE
PLASMA
PLASMA CONFINEMENT
TRAPPING
TRAPS
TRIANGULAR CONFIGURATION
VORTICES
Vorticity
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Summary:A trilinear phase space analysis is applied for dynamics of three electron clumps confined with a Penning-Malmberg trap. We show that the Aref’s concept of phase space describe the observed features of the dynamics of three point vortices qualitatively. In vacuum, phase point P moves to physical region boundary in phase space, i.e. triangular configuration cannot be kept. With the addition of a low level background vorticity distribution (BGVD), the excursion of the clumps is reduced and the distance between P and stable point does not extend in the phase space.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4923111