相对论性中子星超流核的涡旋钉扎
Vortex pinning in the superfluid core of relativistic neutron stars
摘要：
我们最近对作用于中子超流的光滑平均互摩擦力的牛顿处理，是在广义相对论框架下，由量子化中子涡旋钉扎到超流中子星外核的质子流团而引起的。我们使用Carter & Chamel（2004）的全四维协变牛顿形式主义，展示了如何将单个涡旋的局部非相对论运动与恒星的全局动力学相匹配。我们推导出所有必要的动力学方程进行现实的模拟超流旋转中子星在充分的广义相对论，脉冲星频率毛刺的解释所需的。涡旋钉扎对全球动力学的作用似乎是不平凡的。
英文摘要：
Our recent Newtonian treatment of the smooth-averaged mutual-friction force acting on the neutron superfluid and locally induced by the pinning of quantized neutron vortices to proton fluxoids in the outer core of superfluid neutron stars is here adapted to the general-relativistic framework. We show how the local nonrelativistic motion of individual vortices can be matched to the global dynamics of the star using the fully 4D covariant Newtonian formalism of Carter & Chamel (2004). We derive all the necessary dynamical equations for carrying out realistic simulations of superfluid rotating neutron stars in full general relativity, as required for the interpretation of pulsar frequency glitches. The role of vortex pinning on the global dynamics appears to be nontrivial.
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