Motion of Isolated bodies
arXiv:gr-qc/0605096 · doi:10.1088/0264-9381/23/20/015
Abstract
It is shown that sufficiently smooth initial data for the Einstein-dust or the Einstein-Maxwell-dust equations with non-negative density of compact support develop into solutions representing isolated bodies in the sense that the matter field has spatially compact support and is embedded in an exterior vacuum solution.
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