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Title: 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 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.
Authors:
 [1] ;  [2] ;  [3] ;  [4]
  1. Department of Electronics, Kyoto Institute of Technology, Goshokaido-cho, Matsugasaki, Sakyo Ward, Kyoto 606-8585 Japan (Japan)
  2. Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192 Japan (Japan)
  3. Graduate School of Advanced Sciences of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8530 Japan (Japan)
  4. Department of Electronics, Kyoto Institute of Technology, Goshokaido-cho, Matsugasaki, Sakyo Ward, Kyoto 606-8585 (Japan)
Publication Date:
OSTI Identifier:
22490692
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1668; Journal Issue: 1; Conference: 11. international workshop on non-neutral plasmas, Takamatsu (Japan), 1-4 Dec 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ELECTRONS; PHASE SPACE; PLASMA; PLASMA CONFINEMENT; TRAPPING; TRAPS; TRIANGULAR CONFIGURATION; VORTICES