Dynamical Evolution of Nuclear Stellar Clusters I. Stellar Distributions around a Massive Black Hole

Details Dynamical Evolution of Nuclear Stellar Clusters I. Stellar Distributions around a Massive Black Hole Dynamical Evolution of Nuclear Stellar Clusters I. Stellar Distributions around a Massive Black Hole

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010gwn.....3....3p&link_type=abstract

GW Notes, Vol. 3, p. 3-27

Other

Stellar Cusps, Nuclear Stellar Clusters, Emri, Lisa

Scientific paper

Mass segregated stellar cusps are the natural configuration for nuclear stellar clusters in steady state with a central massive black hole of M_BH ≲ few × 10^6 M_&sun;. Detailed N-body and Fokker-Planck studies agree quite well with each other in the description of the bulk properties of the stellar distribution of such systems. For typical initial mass functions, the cluster is in the regime of strong mass segregation and therefore stellar-mass black holes dominate the spatial density in the innermost regions close to the massive black hole. As a natural consequence, the rates of extreme mass ratio inspirals detectable by LISA will be dominated by the inspiral of stellar-mass black holes.

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