Fig. 3.
Contours of toroidal magnetic field (colors) for cases C1 (left) and R1 (right). Time is taken in the middle of the linear growth of Bφ, that is at 0.125tap for case R1 and 0.25tap for case C1. Superimposed are the poloidal magnetic field lines. Units are in Loφ = ωAφ/Ω. Here, the strength of Bφ compared to the global rotation is similar, we always have Loφ < 1.
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