论文标题

对拓扑超导材料和界面的全面综述

A comprehensive review on topological superconducting materials and interfaces

论文作者

Sharma, M. M., Sharma, Prince, Karn, N. K., Awana, V. P. S.

论文摘要

拓扑材料中的超导性引起了科学界的重要兴趣,因为这些材料提供了从量化的导热率,零偏置的传导峰和异常的约瑟夫森效应中构想的主要植物效率的暗示。在这篇综述中,我们对拓扑超导性领域的最新进展进行了系统的研究。本文包括批量系统和异质结构。还对Majorana Fermions及其与拓扑超导体和异质结构的关系进行了简要描述。此外,该综述还包括关键实验技术的细节,以表征拓扑超导性的候选者。此外,我们总结了可能表现出拓扑超导性的潜在材料候选者。我们还考虑了一些固有的奇数超导体,非中心对称,中心对称超导体,掺杂的拓扑绝缘子,掺杂的拓扑结晶绝缘子以及其他一些预期的材料,这些材料预计会显示出超导性以及拓扑中的非拓扑状态。本文还总结了压力,拓扑材料中超导性的出现和MUON自旋旋转研究的影响。

Superconductivity in topological materials has drawn a significant interest of the scientific community as these materials provide a hint of the existence of Majorana fermions conceived from the quantized thermal conductivity, a zero-biased conduction peak and the anomalous Josephson effect. In this review, we make a systematic study of recent advances in the field of topological superconductivity. The article comprises of both bulk systems as well as heterostructures. A brief description of Majorana fermions and their relationship with topological superconductors and heterostructures is also carried out. Also, this review consists of details of key experimental techniques to characterize candidates of topological superconductivity. Moreover, we summarize the potential material candidate that may demonstrate topological superconductivity. We also consider some intrinsic odd-parity superconductors, non-centrosymmetric, centrosymmetric superconductors, doped topological insulators, doped topological crystalline insulators and some other materials that are expected to show superconductivity along with topological non-trivial states in bulk from. The effect of pressure, emergence of superconductivity in topological materials and Muon Spin Rotation studies are also summarized in this article.

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