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Majorana Fermions from Landau Quantization in a Superconductor and Topological-Insulator Hybrid Structure

Tiwari, Rakesh P. and Zuelicke, U. and Bruder, C.. (2013) Majorana Fermions from Landau Quantization in a Superconductor and Topological-Insulator Hybrid Structure. Physical review letters, Vol. 110, H. 18 , 186805.

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Official URL: http://edoc.unibas.ch/dok/A6223222

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Abstract

We show that the interplay of cyclotron motion and Andreev reflection experienced by massless-Dirac-like charge carriers in topological-insulator surface states generates a Majorana-particle excitation. On the basis of an envelope-function description of the Dirac-Andreev edge states, we discuss the kinematic properties of the Majorana mode and find them to be tunable by changing the superconductor`s chemical potential and/or the magnitude of the perpendicular magnetic field. Our proposal opens up new possibilities for studying Majorana fermions in a controllable setup.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
UniBasel Contributors:Bruder, Christoph and Tiwari, Rakesh
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:American Physical Society
ISSN:0031-9007
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:27 Feb 2014 15:46
Deposited On:27 Feb 2014 15:46

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