Polarized X-rays from Magnetized Neutron Stars
Dong Lai, Wynn C.G. Ho, Matthew van Adelsberg, Chen Wang, Jeremy S., Heyl
TL;DR
This paper reviews how X-ray polarization from magnetized neutron stars can reveal details about their magnetic fields, emission geometry, and fundamental physics like quantum electrodynamics and axion properties.
Contribution
It provides a comprehensive overview of X-ray polarization properties and discusses their potential to probe neutron star physics and fundamental theories.
Findings
X-ray polarization can constrain neutron star magnetic fields.
Polarization measurements can reveal emission geometry.
X-ray polarization can test strong-field quantum electrodynamics.
Abstract
We review the polarization properties of X-ray emission from highly magnetized neutron stars, focusing on emission from the stellar surfaces. We discuss how x-ray polarization can be used to constrain neutron star magnetic field and emission geometry, and to probe strong-field quantum electrodynamics and possibly constrain the properties of axions.
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