The axion signature of strange quark star in SGR 0501+4516
C.R. Das
TL;DR
This paper investigates how axions could influence the properties of strange quark stars, particularly in magnetars, and discusses potential observational signatures detectable by current space telescopes.
Contribution
It introduces a model incorporating axion effects into quark matter in strange quark stars, linking particle physics with astrophysical observations.
Findings
Axions affect quark matter properties in magnetars.
Potential gamma-ray signatures from axion decay in strong magnetic fields.
Detectability of axion effects with Fermi-LAT, IXPE, and XMM-Newton.
Abstract
We study the axion effects on quark matter and quark-matter cores in strange quark magnetars using a three-flavor Nambu-Jona-Lasinio model to represent the charge-parity violating effects through the axion field. Here, axions decay to gamma rays in a very strong magnetic field, which the Fermi Large Area Telescope (Fermi-LAT), Imaging X-ray Polarimetry Explorer (IXPE), and XMM-Newton will be able to detect.
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