Tearing mode rotation by external field in a reversed field pinch

R. Bartiromo, T. Bolzonella, A. Buffa, G. Chitarin, S. Martini, A. Masiello, S. Ortolani, R. Piovan, P. Sonato, G. Zollino

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Abstract

We present results of the first experiments on resistive tearing mode control in a reversed field pinch by an external m=0 magnetic perturbation. In this way the helical deformation of the plasma column produced by resonant m=1 modes can be localized in a preselected toroidal position. We also show that a continuous toroidal rotation of this deformation can be induced by a rotating external field. From the study of such toroidal rotations the nonlinear origin of the torque acting on the internally resonant modes clearly emerges: in particular, we demonstrate the occurrence of phase conjugation and harmonic generation phenomena. © 1999 The American Physical Society.
Original languageEnglish
Pages (from-to)1779 - 1782
Number of pages4
JournalPhysical Review Letters
Volume83
Issue number9
DOIs
Publication statusPublished - 1999
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Bartiromo, R., Bolzonella, T., Buffa, A., Chitarin, G., Martini, S., Masiello, A., ... Zollino, G. (1999). Tearing mode rotation by external field in a reversed field pinch. Physical Review Letters, 83(9), 1779 - 1782. https://doi.org/10.1103/PhysRevLett.83.1779