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The Lyα forest and the Cosmic Web

Published online by Cambridge University Press:  12 October 2016

Avery Meiksin
Avery Meiksin*
Affiliation:
Institute for Astronomy, University of Edinburgh, Edinburgh, Scotland, U.K. email: a.meiksin@ed.ac.uk
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Abstract

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The accurate description of the properties of the Lyman-α forest is a spectacular success of the Cold Dark Matter theory of cosmological structure formation. After a brief review of early models, it is shown how numerical simulations have demonstrated the Lyman-α forest emerges from the cosmic web in the quasi-linear regime of overdensity. The quasi-linear nature of the structures allows accurate modeling, providing constraints on cosmological models over a unique range of scales and enabling the Lyman-α forest to serve as a bridge to the more complex problem of galaxy formation.

Keywords

intergalactic mediumquasars: absorption linesgalaxies: formationlarge-scale structure of universedark mattercosmological parameters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S308: The Zeldovich Universe: Genesis and Growth of the Cosmic Web , June 2014 , pp. 347 - 359
Copyright
Copyright © International Astronomical Union 2016 

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