Second stable regime of nonlocal mixed slab toroidal anisotropic ion-temperature-gradient-driven mode

Nonlocal effects on the mixed slab-toroidal ion-temperature-gradient-driven (ITG) instability an investigated with analytical and numerical approaches. Although it is more complex than the local analysis, the nonlocal analysis also leads to the same conclusion that a second stable regime exists at large values of the perpendicular temperature gradient. From a strictly theoretical point of view, this result provides a possible stabilization scheme for the ITG instability. (C) 1996 American Institute of Physics.