Fig. B.1
Effective turbulence coefficient αeft as a functionof the total ionization fraction for a gas of density n⟨H⟩ = 1010 cm−3 at T = 100 K and four values of the βmag parameters (104, 103, 102, 10). The values for αideal (red short-dashed lines) were derived assuming δ = 0.5. The limits imposed by the ambipolar diffusion resistivity are also shown (dashed lines).
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