Abstract
AbstractBy considering the general relativity effect, we calculated the dipolar toroidal magnetic field decay rates and investigated the LX − Lrot relationship of 22 magnetars with soft X‐ray luminosities. It is found that, for magnetars with LX < Lrot, their observed soft X‐ray emissions may come from the rotational energy loss rate, or from magnetosphere flow, and/or from particle wind heating, while for magnetars with LX > Lrot, the Ohmic decay of crustal toroidal magnetic fields can provide their observed isotropic soft X‐ray luminosities and maintain high thermal temperatures.
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