Modeling Galaxies in General Relativity

Details Modeling Galaxies in General Relativity Modeling Galaxies in General Relativity

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aps..4cf.k2003t&link_type=abstract

American Physical Society, 2007 APS Four Corners Section/SPS Zone 16 Joint Fall Meeting, October 19-20,2007, abstract #K2.003

Physics

Scientific paper

Recently there has been some interest in relativistic models of galaxies which may give some correction to estimates of how much dark matter is present in a galaxy. There have been claims that the extent of the correction given by general relativity can remove the need to include dark matter in order to reproduce the flat rotation curves typical of galaxies. The method employed to make this claim involves treating a galaxy as a van Stockum dust, or pressureless fluid. I will consider this claim and investigate the problems and objections associated with this method, as it allows for closed timelike curves and disks of infinite density.

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