Jim Fuller edited figures/DipoleEvolProp3/caption.tex  almost 9 years ago

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Replace this text {\bf Top}: Propagation diagram for a $M = 1.6 \, M_\odot$, $R =6.6 \, R_\odot$, $ν_{\rm max} = 120 \, {\rm µHz}$ RGB stellar model  with your caption a magnetized core. The red, blue, and green lines are the dipole Lamb frequency $L_1$, the buoyancy frequency $N$, and the magneto-gravity frequency $\omega_{\rm MG}$ (defined in equation \ref{eqn:maggrav}), respectively. Regions are colored by the types of waves they support: the red region correspond is the acoustic wave cavity, the blue region is the magneto-gravity wave cavity, and the green region hosts only Alfven waves. The thick black line is the frequency of maximum power, νmax, for this stellar model. Waves at this frequency behave like acoustic waves near the surface, gravity waves in the outer core, and Alfven waves in the inner core. Bottom: Critical radial magnetic field strength, $B_c$ (equation \ref{eqn:Bc}) needed to suppress dipole oscillations. $B_c$ has a sharp minimum at the H-burning shell, which determines the minimum field strength $B_{c,{\rm min}}$ for dipole mode suppression.