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Monte Carlo cluster simulations to determine the rate of compact star inspiralling to a central galactic black hole

Marc Freitag1

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The capture and gradual inspiral of stellar mass objects by a massive black hole at the centre of a galaxy has been proposed as one of the most promising sources of gravitational radiation to be detected by LISA. Unfortunately, rate estimates for this process suffer from many uncertainties. Here we report on the use of our newly developed Monte Carlo stellar dynamics code to tackle this problem. We present results from simple galactic nuclei models that demonstrate the high potential of our approach and point out the aspects of the problem where an improved treatment seems desirable.


PACS

97.60.Lf Black holes

95.85.Sz Gravitational radiation, magnetic fields, and other observations

98.10.+z Stellar dynamics and kinematics

98.62.Js Galactic nuclei (including black holes), circumnuclear matter, and bulges

04.70.-s Physics of black holes

02.70.Uu Applications of Monte Carlo methods

MSC

85A05 Galactic and stellar dynamics

83C35 Gravitational waves

83C57 Black holes

65C05 Monte Carlo methods

Subjects

Computational physics

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 19 (7 October 2001)

Received 5 July 2001

Published 17 September 2001



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