Spinning boson stars and Kerr black holes with scalar hair: the effect of self-interactions

Self-interacting boson stars have been shown to alleviate the astrophysically low maximal mass of their non-self-interacting counterparts. We report some physical features of spinning self-interacting boson stars, namely their compactness, the occurence of ergo-regions and the scalar field profiles,...

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Veröffentlicht in:arXiv.org 2016-04
Hauptverfasser: Herdeiro, Carlos A R, Radu, Eugen, Rúnarsson, Helgi F
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description Self-interacting boson stars have been shown to alleviate the astrophysically low maximal mass of their non-self-interacting counterparts. We report some physical features of spinning self-interacting boson stars, namely their compactness, the occurence of ergo-regions and the scalar field profiles, for a sample of values of the coupling parameter. The results agree with the general picture that these boson stars are comparatively less compact than the non-self-interacting ones. We also briefly discuss the effect of scalar self-interactions on the properties of Kerr black holes with scalar hair.
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Stars
title Spinning boson stars and Kerr black holes with scalar hair: the effect of self-interactions
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