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Voids in a ΛCDM universe

Monthly Notices of the Royal Astronomical Society, no. 1 (2005): 216-226

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We study the formation and evolution of voids in the dark matter distribution using various simulations of the popular Λ cold dark matter cosmogony. We identify voids by requiring them to be regions of space with a mean overdensity of −0.8 or less – roughly the equivalent of using a spherical overdensity group finder for haloes. Each of t...更多

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