Phys. Rev. Lett. 74, 2949–2952 (1995)Stability Analysis of Resistive Wall Kink Modes in Rotating PlasmasReceived 1 November 1994; published in the issue dated 10 April 1995 The stability analysis of external magnetohydrodynamic modes is carried out for a cylindrical plasma in the presence of a resistive wall, plasma flow, and coupling to the sound wave continuous spectrum. It is confirmed that the resonance of the mode with the sound continuum produces an effective dissipation. The combined effects of dissipation and plasma flow open up a window of stability to the external kinks. This theory can explain the numerical results of A. Bondeson and D. J. Ward [Phys. Rev. Lett. 72, 2709 (1994)]. © 1995 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.74.2949
DOI:
10.1103/PhysRevLett.74.2949
PACS:
52.35.Py, 52.30.-q, 52.35.Dm, 52.55.Fa
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