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Thermoelectric Effect in a Correlated Quantum Dot Side-Coupled to Majorana Bound States

机译:侧耦合到马里亚纳束缚态的相关量子点中的热电效应

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摘要

The preparation and detection of zero-energy Majorana bound states (MBSs) are of particular importance in modern condensed matter physics. Fundamentally, the MBSs are solid state counterpart of Majorana fermions and are associated with non-Abelian statistics that can enable topologically protected quantum information with potential applications in quantum computation free from decoherence [ – ]. Apart from this, the MBSs are also promising in design of high-efficiency electronic devices, such as the spintronics [ ]. Well-separated MBSs can be prepared in various systems, of which the most important schemes include non-centrosymmetric superconductors [ ], three- or two-dimensional topological insulators coupled to superconductors [ ], electrostatic defects in topological superconductors [ ], p-wave superconductors [ ], the semiconducting [ ] or ferromagnetic [ ] nanowires with native strong spin-orbit interaction proximitization to a conventional s-wave superconductors, and Josephson junctions [ ].
机译:零能马约拉那束缚态(MBS)的制备和检测在现代凝聚态物理中尤为重要。从根本上讲,MBS是马里亚纳费米子的固态对应物,并且与非阿贝尔统计相关,这些统计信息可以使拓扑受保护的量子信息在量子计算中具有潜在的应用,而不会出现退相干[–]。除此之外,MBS在自旋电子学等高效电子设备的设计中也很有前途。可以在各种系统中制备分离良好的MBS,其中最重要的方案包括非中心对称超导体[],与超导体耦合的三维或二维拓扑绝缘体[],拓扑超导体中的静电缺陷[],p波超导体[],具有自然强自旋轨道相互作用的半导体[]或铁磁[]纳米线近似于常规s波超导体和约瑟夫森结[]。

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