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Progenitors of Magnetars and Hyperaccreting Magnetized Disks

机译:磁力祖和超接收磁化盘

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We propose that a magnetar could be formed during the core collapse of massive stars or coalescence of two normal neutron stars, through collecting and inheriting the magnetic fields magnified by hyperaccreting disk. After the magnetar is born, its dipole magnetic fields in turn have a major influence on the following accretion. The decay of its toroidal field can fuel the persistent X-ray luminosity of either an SGR or AXP; however the decay of only the poloidal field is insufficient to do so.
机译:我们提出了在核心坍塌期间可以形成磁场,通过收集和继承通过超接收盘放大的磁场来形成巨大的恒星或两颗普通中子恒星的聚结。磁场诞生后,其偶极磁场反过来又对以下增生产生了重大影响。其环形场的衰减可以促进SGR或AXP的持续X射线光度;然而,只有单极领域的腐烂不足以这样做。

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