# Self-similar secondary infall and accretion in an Einstein-de Sitter universe

@article{Bertschinger1985SelfsimilarSI, title={Self-similar secondary infall and accretion in an Einstein-de Sitter universe}, author={Edmund Bertschinger}, journal={Astrophysical Journal Supplement Series}, year={1985}, volume={58}, pages={39-65} }

Similarity solutions have been found for secondary infall and accretion onto an initially overdense perturbation in an Einstein--de Sitter (..cap omega.. = 1) universe. After the initial collapse of a positive density perturbation, bound shells continue to turn around and fall in, with the radius of the shell currently turning around increasing as t/sup 8/9/ and the mass within this radius increasing as t/sup 2/3/. The secondary infall approaches a self-similar form, with the exact behavior…

## 613 Citations

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