Vortex lattice study of Au2Pb, a candidate topological superconductor
Topological materials have attracted a lot of attention due to their novel quantum states and their possible applications to quantum computation. Topological superconductors (TSCs) are of particular interest here, because it is argued that they create an environment for quantum computation that is topologically protected from decoherence. A recent STM study (Wang et al., Science 362, 333 (2018)) has shown progress in observing Majorana bound states in superconducting vortex cores in Fe(Te,Se) - and proposed a scheme for moving them, pointing to possible quantum computation. Au2Pb is a potential candidate TSC, but we need to know more about the gap to confirm this. If it is, the characteristics of the VL are important to determine how the Majorana bound states in the cores behave. We will investigate the VL properties using SANS.
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CAMPILLO Emma; Ahmed Alshemi; BLACKBURN Elizabeth; CUBITT Robert; FORGAN Edward M.; GUILLAMON Isabel; SHEN Lingjia; SUDEROW Hermann and Denis M. Vasiukov. (2020). Vortex lattice study of Au2Pb, a candidate topological superconductor. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-42-520
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