  Our study investigates the complex interaction between active neutrinos and
the ultralight bosonic dark matter halo surrounding the Sun. This halo extends
over several solar radii due to the Sun's gravitational field, and we represent
it as a coherent oscillating classical field configuration of bosonic dark
matter particles that vary in time. Our investigation has revealed that, based
on the available solar neutrino flux data, these novel models do not surpass
the performance of the conventional neutrino flavour oscillation model.
Furthermore, we discuss how next-generation solar neutrino detectors have the
potential to provide evidence for the existence or absence of the ultralight
dark matter halo.
