Excitation of Large-ktheta Ion-Berstein Waves in Tokamaks
E. J. Valeo, N. J. Fisch
Abstract
The mode-converted ion-Bernstein wave excited in tokamaks is shown to exhibit certain very interesting behavior, including the attainment of very small poloidal phase velocities, the reversal of poloidal direction, and up-down asymmetries in propagation and damping. Because of these effects, this wave holds promise for channeling α-particle\ power to ions, something that would make a tokamak fusion reactor far more attractive than presently envisioned.
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