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arXiv · 1007.0388

Boson stars and oscillatons in an inflationary universe

Gyula Fodor·Péter Forgács·Márk Mezei
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Abstract

Spherically symmetric gravitationally bound, oscillating scalar lumps (boson stars and oscillatons) are considered in Einstein's gravity coupled to massive scalar fields in 1+D dimensional de Sitter-type inflationary space-times. We show that due to inflation bosons stars and oscillatons lose mass through scalar radiation, but at a rate that is exponentially small when the expansion rate is slow.

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Gyula Fodor, Péter Forgács, Márk Mezei. 2010-07-02. Boson stars and oscillatons in an inflationary universe. https://doi.org/10.1103/physrevd.82.044043

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