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Magnetars: Properties, Origin and Evolution

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arxiv 1503.06313 v1 pith:O3TDFDWZ submitted 2015-03-21 astro-ph.HE

Sandro Mereghetti , Jose' Pons , Andrew Melatos This is my paper · ORCID
classification astro-ph.HE
keywords magnetarsmagneticevolutionfieldfieldsmainneutronorigin
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Magnetars are neutron stars in which a strong magnetic field is the main energy source. About two dozens of magnetars, plus several candidates, are currently known in our Galaxy and in the Magellanic Clouds. They appear as highly variable X-ray sources and, in some cases, also as radio and/or optical pulsars. Their spin periods (2-12 s) and spin-down rates (~10^{-13}-10^{-10} s/s) indicate external dipole fields of ~10^{13-15} G, and there is evidence that even stronger magnetic fields are present inside the star and in non-dipolar magnetospheric components. Here we review the observed properties of the persistent emission from magnetars, discuss the main models proposed to explain the origin of their magnetic field and present recent developments in the study of their evolution and connection with other classes of neutron stars.

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Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Thermal and Magnetic effects on Bulk Viscosity in Binary Neutron Star Mergers

    nucl-th 2025-10 unverdicted novelty 7.0 of 10

    Magnetic fields modify bulk viscous dissipation in post-merger neutron star matter by altering direct and modified Urca rates at finite temperature beyond the Fermi surface approximation.

  2. Transport properties in binary neutron star mergers: Effect of magnetic field

    nucl-th 2026-08 conditional novelty 5.0 of 10

    Magnetic fields up to 5e17 G increase charged-current neutrino and antineutrino opacities in neutron star merger matter by up to two orders of magnitude at low temperature, shrinking neutrino mean free paths.

  3. Physics of Strong Magnetism with eXTP

    astro-ph.HE 2025-06 unverdicted novelty 3.0 of 10

    The eXTP mission's planned instruments would enable more sensitive X-ray polarization and timing observations of magnetars and accreting pulsars, potentially testing vacuum birefringence and probing magnetic field structures.

  4. The equation of state for neutron stars

    nucl-th 2026-07 unverdicted

    A textbook-style review of the neutron-star equation of state covering the models, experimental and observational constraints, and open questions, with no new result claimed or derived.

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