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Observation of Conductance Quantization in InSb Nanowire Networks

Abstract : Majorana zero modes (MZMs) are prime candidates for robust topological quantum bits, holding a great promise for quantum computing. Semiconducting nanowires with strong spin orbit coupling offer a promising platform to harness one-dimensional electron transport for Majorana physics. Demonstrating the topological nature of MZMs relies on braiding, accomplished by moving MZMs around each other in a certain sequence. Most of the proposed Majorana braiding circuits require nanowire networks with minimal disorder. Here, the electronic transport across a junction between two merged InSb nanowires is studied to investigate how disordered these nanowire networks are. Conductance quantization plateaus are observed in most of the contact pairs of the epitaxial InSb nanowire networks: the hallmark of ballistic transport behavior.
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Contributor : Sébastien Plissard <>
Submitted on : Wednesday, November 14, 2018 - 10:57:44 AM
Last modification on : Thursday, June 10, 2021 - 3:03:11 AM

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Elham Fadaly, Hao Zhang, Sònia Conesa-Boj, Diana Car, Önder Gül, et al.. Observation of Conductance Quantization in InSb Nanowire Networks. Nano Letters, American Chemical Society, 2017, 17 (11), pp.6511 - 6515. ⟨10.1021/acs.nanolett.7b00797⟩. ⟨hal-01921925⟩



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