Formation and Evolution of Black Holes in Galactic Nuclei and Star Clusters (2009)
R. Spurzem, P. Berczik, I. Berentzen, D. Merritt, M. Preto, ...
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Shape parameters of Galactic open clusters (2008)
Kharchenko, N. V., Berczik, P., Petrov, M. I., Piskunov, A. E., Röser, S., Schilbach, E., ...
(abridged) In this paper we derive observed and modelled shape parameters (apparent ellipticity and orientation of the ellipse) of 650 Galactic open clusters identified in the ASCC-2.5 catalogue. We...
Bien, R., Just, A., Berczik, P., Berentzen, I.
SUPERBOX is known as a very efficient particle-mesh code with highly-resolving sub-grids. Nevertheless, the height of a typical galactic disc is small compared to the size of the whole system....
Post-Newtonian simulations of super-massive black hole binaries in galactic nuclei (2008)
Berentzen, I., Preto, M., Berczik, P., Merritt, D., Spurzem, R.
We present some preliminary results from recent numerical simulations that model the evolution of super-massive black hole (SMBH) binaries in galactic nuclei. Including the post-Newtonian terms for...
Quantitative analysis of clumps in the tidal tails of star clusters (2008)
Just, A., Berczik, P., Petrov, M. I., Ernst, A.
Tidal tails of star clusters are not homogeneous but show well defined clumps in observations as well as in numerical simulations. Recently an epicyclic theory for the formation of these clumps was...
The study of colliding molecular clumps evolution (2007)
Vinogradov, S. B., Berczik, P.
The results of study of the gravitational fragmentation in the interstellar medium (ISM) by clump-clump collisions are presented. We suggest, that collision of clumps, that are subparts of Giant...
Performance analysis of direct N-body algorithms on special-purpose supercomputers (2007)
Harfst, S., Gualandris, A., Merritt, D., Spurzem, R., Portegies Zwart, S.F., Berczik, P.
Performance analysis of direct N-body algorithms on special-purpose supercomputers (2007)
Harfst, S., Gualandris, A., Merritt, D., Spurzem, R., Portegies Zwart, S.F., Berczik, P.
Simulation of the Gravitational Collapse and Fragmentation of Rotating Molecular Clouds (2005)
In this paper we study the process of the subsequent (runaway) fragmentation of the rotating isothermal Giant Molecular Cloud (GMC) complex. Our own developed Smoothed Particle Hydrodynamics (SPH)...
Physical Processes in Star-Gas Systems (2003)
Spurzem, R., Berczik, P., Hensler, G., Theis, Ch., Amaro-Seoane, P., Freitag, M., ...
First we present a recently developed 3D chemodynamical code for galaxy evolution from the K**2 collaboration. It follows the evolution of all components of a galaxy such as dark matter, stars,...
A Multi-Phase Chemo-Dynamical SPH Code for Galaxy Evolution (2003)
Berczik, P., Hensler, G., Theis, Ch., Spurzem, R.
In this paper we present some test results of our newly developed Multi-Phase Chemo-Dynamical Smoothed Particle Hydrodynamics (MP- CD-SPH) code for galaxy evolution. At first, we present a test of...
Chemodynamical Modeling of Dwarf Galaxy Evolution (2002)
Berczik, P., Hensler, G., Theis, Ch., Spurzem, R.
We present our recently developed 3-dimensional chemodynamical code for galaxy evolution. It follows the evolution of all components of a galaxy such as dark matter, stars, molecular clouds and...
Chemodynamical Modelling of Galaxy Formation and Evolution (2001)
Berczik, P., Hensler, G., Theis, Ch., Spurzem, R.
We present our recently developed 3-dimensional chemodynamical code for galaxy evolution. This code follows the evolution of different galactic components like stars, dark matter and different...