The Magnetar Connection

Abstract

We investigate the combined evolution of the dipolar surface magnetic field (B${}_s$) and the spin-period (P${}_s$) of known magnetars and high magnetic field (B${}_s$ $\gtrsim 10^{13}$~G) radio pulsars. We study the long term behaviour of these objects assuming a simple ohmic dissipation of the magnetic field. Identifying the regions (in the P${}_s$-B${}_s$ plane) in which these neutron stars would likely move into, before crossing the death-line to enter the pulsar graveyard, we comment upon the possible connection between the magnetars and other classes of neutron stars.

2 pages, 1 figure, To be published in Proceedings of the International Astronomical Union (S363)