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Showing 1 to 7 of 7 for “"schwarze Löcher"”.
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Materietransport in Akkretionsscheiben
… von Überschallströmungen in Scheiben um schwarze Löcher effizient genutzt werden. Zur 2D-Simulation von Unterschallströmungen der in dieser Arbeit näher untersuchten protostellaren Scheiben konnte ein weiteres Splitting-Verfahren und ein für dieses Problem erstmals eingesetztes …
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Numerical simulations of neutron star - black hole mergers
Collisions of black holes and neutron stars, named mixed binaries in the following, are interesting because of at least two reasons. Firstly, it is expected that they emit a large amount of energy as gravitational waves, which could be measured by new detectors. The form of those waves is expected …
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Demographics of supermassive black holes
Supermassive black holes are a fundamental component of the universe in general and of galaxies in particular. Almost every massive galaxy harbours a supermassive black hole (SMBH) in its center. Furthermore, there is a close connection between the growth of the SMBH and the evolution of its host …
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Numerical studies of Black Hole initial data
… numerischen Evolution von Systemen mit binären Schwarzen Löchern. Wir analysieren und vergleichen Evolutionen von verschiedenen physikalisch motivierten Anfangsdaten und zeigen Resultate der ersten Evolution von so genannten 'Thin Sandwich' Daten, die von der Gruppe in Meudon entwickelt wurden. …
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Dense stellar systems and massive black holes
Gravity dictates the structure of the whole Universe and, although it is triumphantly described by the theory of General Relativity, it is the force that we least understand in nature. One of the cardinal predictions of this theory are black holes. Massive, dark objects are found in the majority of …
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Bridging the gap between post-Newtonian theory and numerical relativity in gravitational-wave data analysis
One of the most exciting predictions of Einstein's theory of gravitation that have not yet been proven experimentally by a direct detection are gravitational waves. These are tiny distortions of the spacetime itself, and a world-wide effort to directly measure them for the first time with a network …
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Novel aspects of the dynamics of binary black-hole mergers
The inspiral and merger of two black holes is among the most exciting and extreme events in our universe. Being one of the loudest sources of gravitational waves, they provide a unique dynamical probe of strong-field general relativity and a fertile ground for the observation of fundamental …