Fig. 3
Density PDF (normalized in random units) for runs A1++, B1++, C1+, D1, C1t03, and C1t01. At low densities, the shape of the PDF is broadly lognormal, while at high density, it is ∝ n−1.5 . The PDF is almost invariant in time given that the cloud is sufficiently supported, as it is in most cases. In run C1t01, the initial turbulent support is very low and thus the cloud global collapse is strong, giving a density PDF that shifts toward high densities in time.
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