Topological Kondo Device for distinguishing Quasi-Majorana and Majorana signatures

Abstract

To confirm the Majorana signatures, significant effort has been devoted to distinguishing between Majorana zero modes (MZMs) and spatially separated quasi-Majorana modes (QMMs). Because both MZMs and QMMs cause a quantized zero-bias peak in the conductance measurement, their verification task is thought to be very difficult. Here, we proposed a simple device with a single nanowire, where the device could develop clear evidence of the topological Kondo effect in the topologically trivial phase with four QMMs. On the other hand, in the topological superconducting phase with MZMs, the transport signatures are significantly different. Therefore, our scheme provides a simple way to distinguish Majorana and quasi-Majorana modes.

10 pages, 8 figures with appendix

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Cited by in corpus (7)

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• Recent progress on Majorana in semiconductor-superconductor heterostructures--Engineering and detection
• Large Andreev bound state zero bias peaks in a weakly dissipative environment
• Non-Abelian Anyons and Non-Abelian Vortices in Topological Superconductors
• Multichannel topological Kondo effect
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