Adiabatic quantum pumping of chiral Majorana fermions

Alos-Palop, M. and Tiwari, Rakesh P. and Blaauboer, M.. (2014) Adiabatic quantum pumping of chiral Majorana fermions. Physical Review B, 89 (4). 045307.

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Official URL: http://edoc.unibas.ch/dok/A6338911

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We investigate adiabatic quantum pumping of chiral Majorana states in a system composed of two Mach-Zehnder type interferometers coupled via a quantum point contact. The pumped current is generated by periodic modulation of the phases accumulated by traveling around each interferometer. Using scattering matrix formalism we show that the pumped current reveals a definite signature of the chiral nature of the Majorana states involved in transport in this geometry. Furthermore, by tuning the coupling between the two interferometers the pump can operate in a regime where finite pumped current and zero conductance are expected.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
UniBasel Contributors:Tiwari, Rakesh
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:10 May 2017 10:37
Deposited On:06 Feb 2015 09:59

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