磁星地震学中的超流特征
Superfluid signatures in magnetar seismology
摘要：
我们研究了中子星超流性对磁星振荡的作用。使用平面波分析，我们估计的影响，在弹性地壳区域的中子超流体。我们证明了超流印记可能比地壳磁场的影响更重要。我们还考虑了地壳下面的区域，在那里超流中子被认为与II型质子超导体共存。由于后者的磁场是由磁通管阵列携带的，因此该区域的动力学不同于标准的磁流体动力学。我们表明，中子超流体的存在（再次）留下了清晰的印记系统的振荡。总之，我们的估计表明，超流成分不能被忽略的努力进行“磁星地震学”。这增加了建模问题的复杂程度，但也指出了利用观测来探测超核物质的超流体性质的可能性。
英文摘要：
We investigate the role of neutron star superfluidity for magnetar oscillations. Using a plane-wave analysis we estimate the effects of a neutron superfluid in the elastic crust region. We demonstrate that the superfluid imprint is likely to be more significant than the effects of the crustal magnetic field. We also consider the region immediately beneath the crust, where superfluid neutrons are thought to coexist with a type II proton superconductor. Since the magnetic field in the latter is carried by an array of fluxtubes, the dynamics of this region differs from standard magnetohydrodynamics. We show that the presence of the neutron superfluid (again) leaves a clear imprint on the oscillations of the system. Taken together, our estimates show that the superfluid components cannot be ignored in efforts to carry out "magnetar seismology". This increases the level of complexity of the modelling problem, but also points to the possibility of using observations to probe the superfluid nature of supranuclear matter.
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