Characteristic Oscillations in Sheet Plasmas
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概要
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Electrostatic eigenmodes in a sheet plasma of thickness of the order of theton Larmor radius p, have been studied numerically. The frequency range con-sidered is in the ion cyclotron regime, where the ion Bernstein mode and theelectrostatic ton cyclotron mode can be excited. The method is based on anintegral equation in the wavenumber space derived from the Vlasov-Poissonsystem of equations and on the direct computation of the integral equation.Eigenfrequencies and eigenfunctions are studied systematically by varying theplasma thickness, the plasma density, the electron-to-ion temperattn'e ratio andthe parallel wavenumber. Unique features for the case of the ideal sheet plasma,where the plasma thickness is equal to p, are disclosed and explained by a simplephysical model, whereas for a plasma of thickness 5pg the eigenfrequencies arenearly equal to those of a uniform plasma. Results are compared with experi-mental results.
- 社団法人日本物理学会の論文
- 1982-08-15
著者
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NISHIKAWA Kyoji
Faculty of Science,Hiroshima University
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Chaudhry M
Faculty Of Science Hiroshima University:department Of Physics Quaid-i-azam University
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Chaudhry M
Faculty Of Science Hiroshima University
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Watanabe Tsuguhiro
Institute For Fusion Theory Hiroshima University
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Nishikawa Kyoji
Faculty Of Science
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Nishikawa Kyoji
Faculty Of Science Hiroshima University:institute For Fusion Theory Hiroshima University
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Nishikawa Kyoji
Faculty of Engineering, Iwate University
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Nishikawa Kyoji
Faculty of Science,Hiroshima University:Institute for Fusion Theory,Hiroshima University
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Chaudhry Muhammad
Faculty of Science,Hiroshima University
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