Majorana Fermions in magnetic chains

Pawlak, Remy and Hoffmann, Silas and Klinovaja, Jelena and Loss, Daniel and Meyer, Ernst. (2019) Majorana Fermions in magnetic chains. Progress in particle and nuclear physics, 107. pp. 1-19.

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Majorana fermions have recently garnered a great attention outside the field of particle physics, in condensed matter physics. In contrast to their particle physics counterparts, Majorana fermions are zero energy, chargeless, spinless, composite quasiparticles, residing at the boundaries of so-called topological superconductors. Furthermore, in opposition to any particles in the standard model, Majorana fermions in solid-state systems obey non-Abelian exchange statistics that make them attractive candidates for decoherence-free implementations of quantum computers. In this review, we report on the recent advances to realize synthetic topological superconductors supporting Majorana fermions with an emphasis on chains of magnetic impurities on the surface of superconductors. After outlining the theoretical underpinning responsible for the formation of Majorana fermions, we report on the subsequent experimental efforts to build topological superconductors and the resulting evidence in favor of Majorana fermions, focusing on scanning tunneling microscopy and the hunt for zero-bias peaks in the measured current. We conclude by summarizing the open questions in the field and propose possible experimental measurements to answer them.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Nanomechanik (Meyer)
UniBasel Contributors:Meyer, Ernst and Klinovaja, Jelena
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Pergamon Press
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:21 May 2022 09:44
Deposited On:21 Apr 2020 08:18

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