http://arxiv.org/abs/1802.10085
We study the gravitational collapse of an axion field in null coordinates, assuming spherical symmetry. Compared with previous studies, we use a simpler numerical scheme which can run, for relevant parameters, in a few minutes or less on a desktop computer. We use it to accurately determine the domains of parameter space in which the axion field forms a black hole, an axion star or a relativistic Bosenova.
F. Michel and I. Moss
Fri, 2 Mar 18
2/61
Comments: 7 pages, 5 figures, pdflatex
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