Resistive wall mode in collisionless quasistationary plasmas |
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| Authors: | Hu Bo Betti R |
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| Affiliation: | Laboratory for Laser Energetics and Department of Mechanical Engineering, University of Rochester, Rochester, New York 14623, USA. |
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| Abstract: | The stability analysis of the n=1 resistive wall mode is carried out for a simplified model of collisionless tokamak plasma. It is found that the trapped particle compressibility and the resonance between the mode and the precession drift frequency lead to a significant improvement of the beta stability limits. It is shown that, within the frame of the simplified model, the resistive wall mode can be fully suppressed and the plasma can be stable up to the wall beta limits for a slow plasma rotation. |
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