The radio telescope search for the resonant conversion of cold dark matter axions from the magnetized astrophysical sources

TL;DR

This paper investigates the potential for radio telescopes like SKA to detect photons resulting from the resonant conversion of cold dark matter axions in strong magnetic fields near neutron stars, offering a new detection method.

Contribution

It identifies conditions for adiabatic resonant conversion of CDM axions into photons in astrophysical magnetic fields and assesses the detectability with upcoming radio telescopes.

Findings

Resonant conversion of axions into photons is possible in neutron star magnetospheres.

SKA could potentially detect signals from axion-photon conversion.

The study outlines the parameter space where detection is feasible.

Abstract

We study the conditions for the adiabatic resonant conversion of the cold dark matter (CDM) axions into photons in existence of the astrophysically sourced strong magnetic fields such as those in the neutron star magnetosphere. We demonstrate the possibility that the forthcoming radio telescopes such as the SKA (Square Kilometre Array) can probe those photon signals from the CDM axions.