An effective model for magnetic field amplification by the magnetorotational and parasitic instabilities

Open Access

Fig. 1.

Representation of the parasitic wavevectors k_h at t = 0 and at saturation, t = t_sat, for all the runs in Table C.1. The initial modulus $k_{h}^{ini}$ $k_{\mathrm{h}}^{\mathrm{ini}}$ ranges between 3 and 5, but the initial angle θⁱⁿⁱ is very close to 180° in all cases. The wavevectors at saturation have almost the same angle θ^sat at around 18°, and the modulus $k_{h}^{sat}$ $k_{\mathrm{h}}^{\mathrm{sat}}$ lies around 0.7.

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