Dynamical Boson Stars

Steven L. Liebling 
Long Island University
Brookville, NY 11548 USA
Perimeter Institute for Theoretical Physics
Waterloo, Ontario N2L 2Y5, Canada

'External link' http://relativity.liu.edu/steve
Carlos Palenzuela 
Canadian Institute for Theoretical Astrophysics
Toronto, Ontario M5S 3H8, Canada

'External link' http://www.cita.utoronto.ca/~palen


The idea of stable, localized bundles of energy has strong appeal as a model for particles. In the 1950s, John Wheeler envisioned such bundles as smooth configurations of electromagnetic energy that he called geons, but none were found. Instead, particle-like solutions were found in the late 1960s with the addition of a scalar field, and these were given the name boson stars. Since then, boson stars find use in a wide variety of models as sources of dark matter, as black hole mimickers, in simple models of binary systems, and as a tool in finding black holes in higher dimensions with only a single Killing vector. We discuss important varieties of boson stars, their dynamic properties, and some of their uses, concentrating on recent efforts.

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