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Quantum transport signatures of chiral edge states in Sr2RuO4

Tiwari, Rakesh P. and Belzig, W. and Sigrist, Manfred and Bruder, C.. (2014) Quantum transport signatures of chiral edge states in Sr2RuO4. Physical review. B, Condensed matter and materials physics, Vol. 89, H. 18 , 184512.

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Official URL: http://edoc.unibas.ch/dok/A6338907

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Abstract

We investigate transport properties of a double quantum dot based a Cooper pair splitter, where the superconducting lead consists of Sr2RuO4. The proposed device can be used to explore the symmetry of the superconducting order parameter in Sr2RuO4 by testing the presence of gapless chiral edge states, which are predicted to exist if the bulk superconductor is described by a chiral p-wave state. The odd orbital symmetry of the bulk order parameter ensures that we can realize a regime where the electrons tunneling into the double-dot system come from the chiral edge states and thereby leave their signature in the conductance. The proposed Cooper pair splitter has the potential to probe the chirality of the order parameters in topological superconductors.
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 Institute of Physics
ISSN:0163-1829
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:06 Mar 2015 07:44
Deposited On:06 Mar 2015 07:44

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