论文标题
散射对平行磁场中薄超导膜中场诱导的TC增强的影响
Effects of scattering on the field-induced Tc enhancement in thin superconducting films in a parallel magnetic field
论文作者
论文摘要
在平行磁场中，薄磁场中的薄超导膜的问题是，金茨堡和兰道的古典论文中首次讨论了接近临界的温度，在显微镜BCS理论的帮助下，以任意温度将搭配和运输散射到帐户中。在确认磁场对$ T_C $增强的实验发现的同时，我们发现传输散射将相变曲线推向较高的场，几乎所有实用的散射速率。尽管如此，$ t_c $增强功能在肮脏的限制中消失。我们还考虑着令人着迷的变化，例如通过在薄膜面上扩散的磁性离子散布在相边界上引起的相边界引起的重新进入超导性。这些功能等待实验验证。
The problem of a thin superconducting film in a parallel magnetic field, first discussed in the classical paper by Ginzburg and Landau for temperatures close to the critical, is revisited with the help of the microscopic BCS theory for arbitrary temperatures taking pair-breaking and transport scattering into account. While confirming experimental findings of the $T_c$ enhancement by the magnetic field, we find that the transport scattering pushes the phase transition curve to higher fields and higher temperatures for nearly all practical scattering rates. Still, the $T_c$ enhancement disappears in the dirty limit. We also consider intriguing changes, such as re-entrant superconductivity, caused to the phase boundary by pair-breaking magnetic ions spread on one of the film faces. These features await experimental verification.
