Antiglitch Inconsistent With Magnetar Model of AXP

Abstract

The recently observed antiglitch of AXP 1E 2259+586 is inconsistent with magnetar models, but may be explained as the consequence of sudden accretion of retrograde matter or "propeller" interaction with surrounding matter. AXP/SGR are explained as single neutron stars accompanied by fallback matter from their natal supernovae. Their phenomenology may be partly accretional and partly the result of dissipation of magnetic energy.

11 pages, 0 figures, references added New Appendix re antiglitch in PSR B0540-69 (Tuo, et al. arXiv:2404.18158)

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Cited by in corpus (8)

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• Pulsar braking: magnetodipole vs. wind
• Anti-glitches within the standard scenario of pulsar glitches
• Interpreting the AXP 1E 2259+586 antiglitch as a change in internal magnetization
• Glitch or Anti-Glitch: a Bayesian View
• "Anti-glitches" in the Quark-Nova model for AXPs
• The anti-glitching gamma-ray pulsar PSR J1522-5735
• Reduced spin-down rate of PSR J0738-4042 explained as due to an asteroid disruption event