Nature of the Soft Gamma Repeaters and Anomalous X-ray Pulsars
arXiv:astro-ph/0110679
Abstract
I summarize recent developments in the magnetar model of the Soft Gamma Repeaters and Anomalous X-ray Pulsars, give a critical inventory of alternative models for the AXPs, and outline the improved diagnostics expected from present observational efforts.
Invited review, Soft Gamma Repeaters: The Rome 2000 Mini-workshop, eds. M. Feroci, S. Mereghetti, & L. Stella