Topological state engineering by potential impurities on chiral superconductors

Kaladzhyan, Vardan and Röntynen, Joel and Simon, Pascal and Ojanen, Teemu. (2016) Topological state engineering by potential impurities on chiral superconductors. Physical Review B, 94 (6). 060505.

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Official URL: https://edoc.unibas.ch/85172/

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In this work we consider the influence of potential impurities deposited on top of two-dimensional chiral superconductors. As discovered recently, magnetic impurity lattices on an s-wave superconductor may give rise to a rich topological phase diagram. We show that a similar mechanism takes place in chiral superconductors decorated by nonmagnetic impurities, thus avoiding the delicate issue of magnetic ordering of adatoms. We illustrate the method by presenting the theory of potential impurity lattices embedded on chiral p-wave superconductors. While a prerequisite for the topological state engineering is a chiral superconductor, the proposed procedure results in vistas of nontrivial descendant phases with different Chern numbers.
Faculties and Departments:05 Faculty of Science > Departement Physik
UniBasel Contributors:Kaladzhyan, Vardan
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:19 Nov 2021 12:22
Deposited On:19 Nov 2021 12:22

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