Axion halo around a binary system of dwarf stars
Andr\'as Patk\'os
TL;DR
This paper models the gravitational influence of an ultralight axion-like particle clump around a binary dwarf star system, revealing how the axion core's properties affect the system's quadrupole moment.
Contribution
It introduces a parametric analysis of the axion clump's quadrupole moment in binary systems, linking axion mass ratio to gravitational effects.
Findings
Quadrupole mass moment depends on axion-to-binary mass ratio.
The gravitational field of axion clumps influences binary star dynamics.
Analytical relationships between axion parameters and gravitational effects are established.
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 mass ratio of the axion clump and the the binary core.
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