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Column density distribution of the Lyman alpha forest - Evidence for the minihalo model Column density distribution of the Lyman alpha forest - Evidence for the minihalo model 池内, 了 IKEUCHI, Satoru MURAKAMI, Izumi REES, Martin J © The Royal Astronomical Society application/pdf The column density distribution of the Lyman alpha forest is predicted for a minihalo model in which the baryon clouds responsible for the absorption lines are supposed to be in gravitational equilibrium under the potential of cold dark matter. It is determined primarily by the density profile across a typical cloud. The evolution of minihalos within various environments is discussed in relation to the redshift dependence of the Lyman alpha forest. The Royal Astronomical Society 1988 eng journal article VoR https://ir.soken.ac.jp/records/3317 http://aas.org/publications/aas-copyright-policy Copyright Monthly Notices of the Royal Astronomical Society Monthly Notices of the Royal Astronomical Society 236 21 28 https://ir.soken.ac.jp/record/3317/files/nph-iarticle_query1988.pdf application/pdf 128.8 kB 2013-01-09