Fig. 9

Equilibrium used in our numerical simulations of standing sausage modes in curved coronal slabs. The line contours show the magnetic field lines. Top: the colour contours show the (logarithm of) density, which has an enhancement describing a curved field-aligned loop with density contrast ratio ρ0/ρe = 50 and an aspect ratio of a/L = 0.12 at its apex. Bottom: the colour contours show the Alfvén speed which is constant inside and outside the loop.
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