On the evolution of Lyman alpha clouds based upon the Minihalo model

Details On the evolution of Lyman alpha clouds based upon the Minihalo model On the evolution of Lyman alpha clouds based upon the Minihalo model

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993egte.conf..123m&link_type=abstract

In NASA. Ames Research Center, The Evolution of Galaxies and Their Environment p 123-124 (SEE N93-26706 10-90)

Physics

1

Absorption Spectra, Dark Matter, Density Distribution, Intergalactic Media, Lyman Alpha Radiation, Galactic Evolution, Gas Density, Halos, Supersonic Flow

Scientific paper

Intergalactic clouds confined by the gravity of cold dark matter (CDM), the so called mini-halo, is considered. Assuming a simplified evolution law of UV flux and mass function of gas clouds, number density evolution and H1 column density distribution can be reproduced by mini-halo model. Considering interaction between supersonic flow and a mini-halo, spatial correlation and the proximity effect of Ly-alpha forest can be investigated.

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