Cosmic evolution of massive black holes in the hierarchical models of galaxy formation

We study the cosmic evolution of the spin distribution of massive black holes through both binary mergers and gas accretion via relativistic magnetohydrodynamical accretion disks in the hierarchical structure model of galaxy formation. Following Volonterii et al. (2005)'s work, we use cosmologi...

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Published inAstrophysics of Compact Objects: International Conference on Astrophysics of Compact Objects (AIP Conference Proceedings Volume 968) Vol. 968; pp. 369 - 374
Main Authors Yuan, Ye-Fei, Zhang, Cai-Yun, Yang, Jian-Min, Wang, Lei, Lin, Xuan-Bin, Xu, Sheng-Nian, Zhang, Jia-Lu
Format Journal Article
LanguageEnglish
Published 01.01.2008
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Summary:We study the cosmic evolution of the spin distribution of massive black holes through both binary mergers and gas accretion via relativistic magnetohydrodynamical accretion disks in the hierarchical structure model of galaxy formation. Following Volonterii et al. (2005)'s work, we use cosmological Monte Carlo realizations of the merger hierarchy from early times to present in a LambdaCDM cosmology to follow the merger history of dark matter halos and the massive black holes they host. Our main improvement is that we develop a new self-adaptive merging tree code which makes the Monte Carlo realization more efficient and the data storage more economical.
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ISBN:9780735404854
0735404852
ISSN:0094-243X
DOI:10.1063/1.2840430