Astronomisches Rechen-Institut Heidelberg

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Paper 2001007

Author(s): Einsel, C.
Title: The evolution of rotating collisional systems - application of a parallelized Fokker-Planck-code
Source: In: Ebizusaki, T. (ed.): New horizon of computational science Proc. Symp., Tokyo, 1-3 September 1997; Kluwer Academic Publ., Dodrecht, 219-222
ISBN: 0-7923-7050-3
Year: 2001
Abstract: The evolution of initially rotating collisional stellar systems considered as models of flattened globular clusters is followed by means of solving the orbit-average Fokker-Planck equation in two-dimensional (E,Jz)-space. Due to increasingly expensive simulations when utilizing higher numbers of mass bins in the multi-mass case a parallelized version of the code is applied to the problem. Using rotating King-models as starting configurations a stronger mass loss as compared to the non-rotating case may be noticed. The shortest collapse times measured from the models approach the value of 2-3 half-mass relaxation times for rotating models of a large range of King concentration parameters.
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