Exponential protection of zero modes in Majorana islands

• Published in: Nature (London) Vol. 531; no. 7593; pp. 206 - 209
• Main Authors: Albrecht, S. M., Higginbotham, A. P., Madsen, M., Kuemmeth, F., Jespersen, T. S., Nygård, J., Krogstrup, P., Marcus, C. M.
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 10.03.2016; Nature Publishing Group
• Subjects: 142/126; 639/766/1130/1064; 639/766/119/1000/1016; 639/766/259; Aluminum; Dynamics of a particle; Humanities and Social Sciences; letter; Magnetic fields; Molecular beam epitaxy; multidisciplinary; Nanowires; Observations; Particles (Nuclear physics); Properties; Science; Superconductivity; United States

The splitting of zero-energy Majorana modes in a tunnel-coupled InAs nanowire with epitaxial aluminium is exponentially suppressed as the wire length is increased, resulting in protection of these modes; this result helps to establish the robust presence of Majorana modes and quantifies exponential...