Table 3: Typical values of the relevant parameters in the upper radiation zone of the Sun, and values adopted for the numerical simulations (in cgs units).
Parameter Symbol Sun Case A Case B

thermal diffusivity
$\kappa$ 107 $8 \times 10^{12}$ $8 \times 10^{12}$
magnetic diffusivity $\eta$ 103 $8 \times 10^{10}$ $8 \times 10^{9}$
viscosity $\nu$ 30 $8 \times 10^{9}$ $8 \times 10^{9}$
buoyancy frequency Nt $ 2.1 \times 10^{-3}$ $ 3 \times 10^{-4}$ $ 3 \times 10^{-4}$
rotation frequency $\Omega $ $3 \times 10^{-6}$ $3 \times 10^{-6}$ $3 \times 10^{-6}$


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