Axion halo around a binary system of dwarf stars

Abstract

The gravitational field of a clump of ultralight axion like particles (ALPs) in its core with a rotating binary system of dwarf stars is computed. It is established that the induced quadrupole mass moment of the clump is controlled parametrically by the $M_a/M$ mass ratio of the axion clump and the the binary core.

arXiv commentContribution to Procs. of Bolyai-Gauss-Lobachevsky 2024 Conference. Reference list updated

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