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Living Rev Relativ. 2017;20(1):5. doi: 10.1007/s41114-017-0007-y. Epub 2017 Nov 13.

Dynamical boson stars.

Author information

1
Long Island University, Brookville, NY 11548 USA.
2
Universitat de les Illes Balears, 07122 Palma de Mallorca, Baleares Spain.

Abstract

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.

KEYWORDS:

Boson stars; Numerical relativity; Solitons

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