Ambipolar Heating of Magnetars
High Energy Astrophysical Phenomena
2023-03-29 v1
Abstract
Magnetars, neutron stars thought to be with ultra-strong magnetic fields of G, are observed to be much hotter than ordinary pulsars with G, and additional heating sources are required. One possibility is heating by the ambipolar diffusion in the stellar core. This scenario is examined by calculating the models using the relativistic thermal evolutionary code without making the isothermal approximation. The results show that this scenario can be consistent with most of the observed magnetar temperature data.
Cite
@article{arxiv.2302.10361,
title = {Ambipolar Heating of Magnetars},
author = {Sachiko Tsuruta and Madeline J. Kelly and Ken'ichi Nomoto and Kanji Mori and Marcus Teter and Andrew C. Liebmann},
journal= {arXiv preprint arXiv:2302.10361},
year = {2023}
}
Comments
12 pages, 4 figures, 1 table. Accepted by the Astrophysical Journal on February 9, 2023