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The quasi-linear diffusion coefficients for the inherently space-dependent wave amplitudes in lower hybrid heating and current drive experiments are derived and compared with the usual space-independent approximation. The distribution function is derived and the dependence on the radio-frequency field amplitude gradient of the plateau, which is an essential quantity in the theoretical description of LH experiments, is stressed.

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Authors: CANOBBIO E, CEC Bruxelles (BE);CROCI R, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Article: Journal of Plasma Physics, Vol. 40 (1991) Part 2, pp. 347-364
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