From Andreev to Majorana bound states in hybrid superconductor–semiconductor nanowires

Elsa Prada*, Pablo San-Jose, Michiel W.A. de Moor, Attila Geresdi, Eduardo J.H. Lee, Jelena Klinovaja, Daniel Loss, Jesper Nygård, Ramón Aguado, Leo P. Kouwenhoven

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

254 Citations (Scopus)


Inhomogeneous superconductors can host electronic excitations, known as Andreev bound states (ABSs), below the superconducting energy gap. With the advent of topological superconductivity, a new kind of zero-energy ABS with exotic qualities, known as a Majorana bound state (MBS), has been discovered. A special property of MBS wavefunctions is their non-locality, which, together with non-Abelian braiding, is the key to their promise in topological quantum computation. We focus on hybrid superconductor–semiconductor nanowires as a flexible and promising experimental platform to realize one-dimensional topological superconductivity and MBSs. We review the main properties of ABSs and MBSs, state-of-the-art techniques for their detection and theoretical progress beyond minimal models, including different types of robust zero modes that may emerge without a band-topological transition.

Original languageEnglish
Pages (from-to)575-594
Number of pages20
JournalNature Reviews Physics
Issue number10
Publication statusPublished - 2020


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