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The interaction between tearing mode and collisional drift wave is investigated using reduced neoclassical MHD equations. Introducing two types of neoclassical viscosity model, i.e., HS model and B mo...del, the stability analysis of tearing mode and collisional drift wave is performed. It is found that both (neoclassical) tearing mode and collisional drift wave are unstable for B model even in the optimized q profile with Δ' = 0. Next, the nonlinear simulation in case with B model is performed. It is found that the growth rate of tearing mode is enhanced by the beat interaction of collisional drift wave.show more
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