Formation of voids in the Universe within the Lematre–Tolman modeldoi:10.1111/J.1365-2966.2005.09292.XKrzysztof BolejkoAndrzej KrasińskiCharles HellabyOxford University Press
The study of the interesting cosmological properties of voids in the Universe depends on the efficient and robust identification of such voids in galaxy redshift surveys. Recently, Sutter et al. (2012) have published a public catalogue of voids in the Sloan Digital Sky Survey Data Release 7 mai...
In the past few years, the properties of voids have become central to the study of the large-scale distribution of matter in the universe. The reasons for this are partly observational - very large voids have been discovered - and partly due to their potential usefulness as measures of the ...
Galaxies in the Universe are distributed in a web-like structure characterized by different large-scale environments: dense clusters, elongated filaments, sheetlike walls and under-dense regions, called voids1–5. The low density in voids is expected to
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than are differences between the cosmological models. Key words: cosmology: dark matter – galaxies: formation – large scale structure of the universe. 1 INTRODUCTION Voids in the distribution of galaxies were first noticed in early studies of the large scale distribution of galaxies, ...
Voids in a Λ CDM Universe 3 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 id... J Colberg,R Sheth,A Diaferio,... 被引量: 0发表: 2005年 Voids in a $\\Lambda$CDM Universe We...
The voids obtained via this approach give a tangential shear signal up to $\\sim40$ times larger than voids identified in the galaxy distribution. 展开 关键词: gravitational lensing: weak methods: data analysis cosmology: theory large-scale structure of Universe ...
Cosmic voids are spaces millions of light years across that contain fewer and more sparsely distributed galaxies than the average. Found between voids aregalaxy clusters, the largest known structures formed in the universe, as heavy as one million billion solar masses. Gravity controls how quickly ...
Likewise the multiple fluid approach can provide important corrections to the usual study of the process of formation and growing of large-scale structure in the universe. Finally, we emphasize the fact that the system of evolution equations and constraints used in our numerical modeling has been ...