论文标题
氢化物中的高温超导性
High-temperature superconductivity in hydrides
论文作者
论文摘要
在过去的六年（2015-2021）中，许多目前已记录高点的氢化物$ t_ {c} $最高可达250 k。现在我们已经可以说，已经发展了一个特殊的超导性领域。这是超高压下的氢化物超导性。在大多数情况下，超水的特性通过强eliron-phonon相互作用的Migdal-Eliashberg理论很好地描述了，尤其是当考虑到声子的呼吸器性时。同位素效应，磁场（高达60-70 t）对氢化物样品中临界温度和临界电流的影响，研究了$ t_ {c} $的依赖性对压力和掺杂程度的依赖性。该理论和实验之间的分歧是感兴趣的，尤其是在相稳定性和低温下临界磁场的行为中。本文介绍了2015 - 2021年数据的回顾性分析，并描述了氢化物超导率的未来研究的有希望的方向。
Over the past six years (2015-2021), many superconducting hydrides with critical temperatures $T_{C}$ up to 250 K, which are currently record highs, have been discovered. Now we can already say that a special field of superconductivity has developed. This is hydride superconductivity at ultrahigh pressures. For the most part, the properties of superhydrides are well described by the Migdal-Eliashberg theory of strong electron-phonon interaction, especially when anharmonicity of phonons is taken into account. The isotope effect, the effect of the magnetic field (up to 60-70 T) on the critical temperature and critical current in the hydride samples, the dependence of $T_{C}$ on the pressure and degree of doping were investigated. The divergences between the theory and experiment are of interest, especially in the field of phase stability and in the behavior of the upper critical magnetic fields at low temperatures. This article presents a retrospective analysis of data of 2015-2021 and describes promising directions for future research of hydride superconductivity.
