How large is the contribution of cosmic web to \(\Omega_\Lambda\) ? A preliminary study on a novel inhomogenous model

The distribution of matter in the universe shows a complex pattern, formed by cluster of galaxies, voids and filaments denoted as cosmic web. Different approaches have been proposed to model such structure in the framework of the general relativity. Recently, one of us has proposed a generalization...

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Published in:arXiv.org 2013-07
Main Authors: Viaggiu, Stefano, Montuori, Marco
Format: Article
Language:English
Subjects:
Filaments
Fractal models
Galactic clusters
Galactic evolution
Galaxies
Large scale structure of the universe
Parameters
Relativity
Universe
Webs
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Montuori, Marco
description The distribution of matter in the universe shows a complex pattern, formed by cluster of galaxies, voids and filaments denoted as cosmic web. Different approaches have been proposed to model such structure in the framework of the general relativity. Recently, one of us has proposed a generalization (\(\Lambda\)FB model) of the Fractal Bubble model, proposed by Wiltshire, which accounts for such large scale structure. The \(\Lambda\)FB model is an evolution of FB model and includes in a consistent way a description of inhomogeneous matter distribution and a \(\Lambda\) term. Here we analyze the \(\Lambda\)FB model focusing on the relation between cosmological parameters. The main result is the consistency of \(\Lambda\)CDM model values for \(\Omega_{\Lambda0}\) (\(\approx 0.7\)) and \(\Omega_{k0}\) (\(|\Omega_{k0}|
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subjects Filaments
Fractal models
Galactic clusters
Galactic evolution
Galaxies
Large scale structure of the universe
Parameters
Relativity
Universe
Webs
title How large is the contribution of cosmic web to \(\Omega_\Lambda\) ? A preliminary study on a novel inhomogenous model
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