Figure 3.
Solution of equation (26), normalized to the free-fall solution 
for ζ=0.6 (long-dashed line), 0.718 (solid line), 0.719 (short-dashed line) and 0.9 (dotted line).
Solution of equation (26), normalized to the free-fall solution for ζ=0.6 (long-dashed line), 0.718 (solid line), 0.719 (short-dashed line) and 0.9 (dotted line).
