Other
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jkps...33s.549l&link_type=abstract
Journal of the Korean Physical Society, Vol. 33, Suppl. issue, p. S549 - S553
Other
Stellar Systems: Dynamical Evolution, Star Clusters: Black Holes
Scientific paper
Examines the dynamical evolution of a stellar system containing black holes formed by the evolution of massive stars. The typical mass of such black holes is about 10 Msun which is much greater than the typical mass of ordinary stars that comprise most of the mass in the cluster. In such a situation, black holes quickly form a subsystem within the core of the cluster of ordinary stars. The subsystem evolves on its own relaxation time scale which is very short. However, the post collapse expansion driven by three-body binary heating becomes very slow because the expansion energy of the compact subcluster can be easily absorbed by the surrounding cluster. The gravitational radiation can lead to the merger of binaries when binaries become very hard. A central seed black hole might form if repeated merger becomes very efficient. Otherwise, the relatively stable two-component phase of the central compact cluster of remnant stars surrounded by a larger cluster of low mass stars would last for a long time.
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