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arXiv · 1408.2629

Non-magnetic defects in the bulk of two-dimensional topological insulators

Vladimir A. Sablikov·Aleksei A. Sukhanov
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Abstract

We found that non-magnetic defects in two-dimensional topological insulators induce bound states of two kinds for each spin orientation: electron- and hole-like states. Depending on the sign of the defect potential these states can be also of two kinds with different distribution of the electron density. The density has a maximum or minimum in the center. A surprising effect caused by the topological order is a singular dependence of the bound-state energy on the defect potential.

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Vladimir A. Sablikov, Aleksei A. Sukhanov. 2014-08-12. Non-magnetic defects in the bulk of two-dimensional topological insulators. https://doi.org/10.1002/pssr.201409284

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