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Exact Solutions for Boson-Fermion Stars in (2+1) dimensions

Kenji Sakamoto·Kiyoshi Shiraishi
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Abstract

We solve Einstein equations coupled to a complex scalar field with infinitely large self-interaction, degenerate fermions, and a negative cosmological constant in $(2+1)$ dimensions. Exact solutions for static boson-fermion stars are found when circular symmetry is assumed. We find that the minimum binding energy of boson-fermion star takes a negative value if the value of the cosmological constant is sufficiently small.

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Kenji Sakamoto, Kiyoshi Shiraishi. 1998-08-25. Exact Solutions for Boson-Fermion Stars in (2+1) dimensions. https://doi.org/10.1103/physrevd.58.124017

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