论文标题
压电 - 驱动性：非中心对称超导体的新效果
Piezo-superconductivity: new effects in non-centrosymmetric superconductors
论文作者
论文摘要
我们研究了由于它们独特的库珀对冷凝物和弹性耦合而引起的非中心对称超导体的新作用。我们表明，尽管在均匀的体积状态下，讨论了很多讨论的Lifshitz耦合并不可观察到，但它引人注目的是将位错带有分数磁通量。我们还预测了P和破坏T的Josephson连接中的DC电流的无电压应变。通过更高形式的对称性观察超导体，我们将LifShitz耦合视为大约保守绕组数的化学潜力，与层状绝缘子进行了类比。
We study novel effects in non-centrosymmetric superconductors arising from their unique coupling of Cooper-pair condensate and elasticity. We show that although the much discussed Lifshitz coupling is not observable in a uniform bulk state, it strikingly endows dislocations with a fractional magnetic flux. We also predict a generation of voltage-free strain by a DC current in a P and T-breaking Josephson junction. Viewing superconductors through the lens of higher-form symmetries we identify the Lifshitz coupling as a chemical potential for the approximately conserved winding number, drawing an analogy with pyroelectric insulators.
