论文标题
相互作用诱导的抗铁磁性 - 抗原连接器的拓扑超导性
Interaction-induced topological superconductivity in antiferromagnet-superconductor junctions
论文作者
论文摘要
我们预测，抗铁磁绝缘子和超导体之间的连接为创建一维拓扑超导状态提供了强大的平台。它的出现不需要存在固有的自旋轨道耦合或非共线磁性，而是仅由界面孤子状态的排斥电子相互作用引起。我们证明，拓扑超导状态是由任意小的耦合强度下的排斥相互作用而产生的，拓扑间隙的大小迅速饱和到一个父琐的超导体中。我们的结果提出了抗铁磁绝缘子，作为相互作用驱动拓扑超导性的新平台。
We predict that junctions between an antiferromagnetic insulator and a superconductor provide a robust platform to create a one-dimensional topological superconducting state. Its emergence does not require the presence of intrinsic spin-orbit coupling nor non-collinear magnetism, but arises solely from repulsive electronic interactions on interfacial solitonic states. We demonstrate that a topological superconducting state is generated by repulsive interactions at arbitrarily small coupling strength, and that the size of the topological gap rapidly saturates to the one of the parent trivial superconductor. Our results put forward antiferromagnetic insulators as a new platform for interaction-driven topological superconductivity.
