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Kondo-like zero-bias conductance anomaly in a three-dimensional topological insulator nanowire | | Sungjae Cho
; Ruidan Zhong
; John Schneeloch
; Genda Gu
; Nadya Mason
; | | Date: |
7 Oct 2015 | | Abstract: | Zero bias anomalies in topological nanowires have recently captured
significant attention, as they are possible signatures of Majorana modes. Yet
there are many other possible origins of zero bias peaks in nanowires, for
example, weak localization, Andreev bound states, or the Kondo effect. Here, we
discuss observations of differential conductance peaks at zero bias voltage in
nonsuperconducting electronic transport through a 3D topological insulator
nanowire. The zero bias conductance peaks show logarithmic temperature
dependence and often linear splitting with magnetic fields, both of which are
signatures of the Kondo effect in quantum dots. Here, we characterize the zero
bias peaks and discuss their origin. | | Source: | arXiv, 1510.1855 | | Services: | Forum | Review | PDF | Favorites | |
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