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[ascl:1802.014] collapse: Spherical-collapse model code

collapse calculates the spherical−collapse for standard cosmological models as well as for dark energy models when the dark energy can be taken to be spatially homogeneous. The calculation is valid on sub−horizon scales and takes a top−hat perturbation to exist in an otherwise featureless cosmos and follows its evolution into the non−linear regime where it reaches a maximum size and then recollapses. collapse provides the user with the linear−collapse threshold (delta_c) and the virial overdensity (Delta_v) for the collapsed halo over a range of cosmic scale factors.

Code site:
https://github.com/alexander-mead/collapse
Appears in:
http://adsabs.harvard.edu/abs/2017MNRAS.464.1282M
Bibcode:
2018ascl.soft02014M

ascl:1802.014
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