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Title: Nonlinear simplified model to study localization of kinetic Alfvén wave

We have presented the numerical simulation of the coupled equations governing the dynamics of kinetic Alfvén wave (KAW) and ion acoustic wave in the intermediate β plasma, where β is the ratio of thermal pressure to the background magnetic pressure. We have also developed a simplified model for this nonlinear interaction using the results obtained from the simulation to understand the physics of nonlinear evolution of KAW. Localization of magnetic field intensity of KAW has been studied by means of the simplified model.
Authors:
;  [1]
  1. Centre for Energy Studies, Indian Institute of Technology, Delhi 110016 (India)
Publication Date:
OSTI Identifier:
22253309
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 21; Journal Issue: 4; 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; COMPUTERIZED SIMULATION; EQUATIONS; EVOLUTION; MAGNETIC FIELDS; NONLINEAR PROBLEMS; PLASMA; SOUND WAVES