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Title: Effects of pressure gradient on global Alfvén eigenmodes in reversed field pinch

The effects of pressure gradient on the existence of global Alfvén eigenmodes (GAE) in Reversed Field Pinch are studied by numerical calculation. It is found that GAEs near the plasma core can exist when pressure gradient is sufficiently large. The calculated mode frequency and structure are consistent with the experimental results in the Madison Symmetric Torus.
Authors:
 [1] ;  [2] ; ; ;  [3] ;  [4] ;  [5]
  1. CAS Key Laboratory of Geospace Environment, Department of Modern Physics, University of Science and Technology of China, Hefei 230026 (China)
  2. Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543 (United States)
  3. Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California 90095 (United States)
  4. Physics Department, University of Wisconsin-Madison, Madison, Wisconsin 53706 (United States)
  5. Institute of Plasma Physics, CAS (China)
Publication Date:
OSTI Identifier:
22252034
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 21; Journal Issue: 2; Other Information: (c) 2014 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; PLASMA; PRESSURE GRADIENTS; REVERSED-FIELD PINCH DEVICES; REVERSE-FIELD PINCH; SYMMETRY