Gravitational radiation background from boson star binaries

We calculate the gravitational radiation background generated from boson star binaries formed in locally dense clusters with formation rate tracked by the regular star formation rate. We compute how the frequency window in gravitational waves is affected by the boson field mass and repulsive self-co...

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Veröffentlicht in:	Physics letters. B 2018-08, Vol.783 (C), p.158-162
Hauptverfasser:	Croon, Djuna, Gleiser, Marcelo, Mohapatra, Sonali, Sun, Chen
Format:	Artikel
Sprache:	eng
Schlagworte:	ASTRONOMY AND ASTROPHYSICS
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	We calculate the gravitational radiation background generated from boson star binaries formed in locally dense clusters with formation rate tracked by the regular star formation rate. We compute how the frequency window in gravitational waves is affected by the boson field mass and repulsive self-coupling, anticipating constraints from EPTA and LISA. We also comment on the possible detectability of these binaries.
ISSN:	0370-2693 1873-2445
DOI:	10.1016/j.physletb.2018.03.055