The epoch of structure formation in blue mixed dark matter models | Zendy

S. Borgani | Zendy; F. Lucchin | Zendy; S. Matarrese | Zendy; L. Moscardini | Zendy

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The epoch of structure formation in blue mixed dark matter models

Author(s) -

S. Borgani,

F. Lucchin,

S. Matarrese,

L. Moscardini

Publication year - 1996

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/280.3.749

Subject(s) - physics , astrophysics , structure formation , epoch (astronomy) , redshift , dark matter , cluster (spacecraft) , galaxy , galaxy cluster , abundance (ecology) , cosmic cancer database , spectral index , galaxy formation and evolution , astronomy , spectral line , fishery , computer science , biology , programming language

Recent data on high--redshift abundance of damped Ly\alpha systems are compared with theoretical predictions for `blue' (i.e. n>1) Mixed Dark Matter models. The results show that decreasing the hot component fraction \Omega_\nu and/or increasing the primordial spectral index n implies an earlier epoch of cosmic structure formation, thus widening the range of allowed parameters in the framework of this scenario

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