Halo abundances and shear in void models

Research output: Contribution to journal › Journal article › Research › peer-review

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Halo abundances and shear in void models. / Alonso, David; García-Bellido, Juan; Haugbølle, Troels; Knebe, Alexander.

In: Physics of the Dark Universe, Vol. 1, No. 1-2, 11.2012, p. 24-31.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Alonso, D, García-Bellido, J, Haugbølle, T & Knebe, A 2012, 'Halo abundances and shear in void models', Physics of the Dark Universe, vol. 1, no. 1-2, pp. 24-31. https://doi.org/10.1016/j.dark.2012.08.001

APA

Alonso, D., García-Bellido, J., Haugbølle, T., & Knebe, A. (2012). Halo abundances and shear in void models. Physics of the Dark Universe, 1(1-2), 24-31. https://doi.org/10.1016/j.dark.2012.08.001

Vancouver

Alonso D, García-Bellido J, Haugbølle T, Knebe A. Halo abundances and shear in void models. Physics of the Dark Universe. 2012 Nov;1(1-2):24-31. https://doi.org/10.1016/j.dark.2012.08.001

Author

Alonso, David ; García-Bellido, Juan ; Haugbølle, Troels ; Knebe, Alexander. / Halo abundances and shear in void models. In: Physics of the Dark Universe. 2012 ; Vol. 1, No. 1-2. pp. 24-31.

Bibtex

@article{a3b10828ba45483e8cd4a27f65a38f80,
title = "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 Lemaitre-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 background shear via cluster number counts, which could then give rise to strong constraints on general inhomogeneous models, of any scale. ",
author = "David Alonso and Juan Garc{\'i}a-Bellido and Troels Haugb{\o}lle and Alexander Knebe",
year = "2012",
month = nov,
doi = "10.1016/j.dark.2012.08.001",
language = "English",
volume = "1",
pages = "24--31",
journal = "Physics of the Dark Universe",
issn = "2212-6864",
publisher = "Elsevier",
number = "1-2",

}

RIS

TY - JOUR

T1 - Halo abundances and shear in void models

AU - Alonso, David

AU - García-Bellido, Juan

AU - Haugbølle, Troels

AU - Knebe, Alexander

PY - 2012/11

Y1 - 2012/11

N2 - We study the non-linear gravitational collapse of dark matter into halos through numerical N-body simulations of Lemaitre-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 background shear via cluster number counts, which could then give rise to strong constraints on general inhomogeneous models, of any scale.

AB - We study the non-linear gravitational collapse of dark matter into halos through numerical N-body simulations of Lemaitre-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 background shear via cluster number counts, which could then give rise to strong constraints on general inhomogeneous models, of any scale.

U2 - 10.1016/j.dark.2012.08.001

DO - 10.1016/j.dark.2012.08.001

M3 - Journal article

VL - 1

SP - 24

EP - 31

JO - Physics of the Dark Universe

JF - Physics of the Dark Universe

SN - 2212-6864

IS - 1-2

ER -

ID: 42037054