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Halo abundances and shear in void models

Abstract:

We study the non-linear gravitational collapse of dark matter into halos through numerical N-body simulations of Lemaître–Tolman–Bondi void models. We extend the halo mass function formalism to these models in a consistent way. This extension not only compares well with the simulated data at all times and radii, but it also gives interesting clues about the impact of the background shear on the growth of perturbations. Our results give hints about the possibility of constraining the backgroun...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.dark.2012.08.001

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
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Name:
Spanish Ministerio de Ciencia e Innovación
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Name:
Madrid Regional Government
Publisher:
Elsevier
Journal:
Physics of the Dark Universe More from this journal
Volume:
1
Issue:
1-2
Pages:
24-31
Publication date:
2012-08-23
DOI:
EISSN:
2212-6864
Keywords:
Pubs id:
pubs:695545
UUID:
uuid:62cdfd9d-0390-4db2-aa94-5d9b09ed9fd2
Local pid:
pubs:695545
Source identifiers:
695545
Deposit date:
2017-05-17

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