Topological superconductors in correlated topological insulators on the honeycomb lattice

Ying Liang, Jing He, Ya-Jie Wu, Ying-Xue Zhu and Su-Peng Kou ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2013, vol. 86, issue 11, 1-11

Abstract: The paper realizes a topological superconductor (TSC) in correlated topological insulator – the interacting spinful Haldane model. The electrons on the Haldane model with on-site attractive interaction are studied based on mean field theory and random-phase-approximation (RPA) approach. In the intermediate interaction region, the ground state is found to be a TSC with the Chern number ±2. In addition, the edge states and the zero modes of the π-flux are discussed. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2013

Keywords: Solid State and Materials (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1140/epjb/e2013-40521-5

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