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.
All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)
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