Adelaide Research & Scholarship
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https://hdl.handle.net/2440/128501
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| Type: | Journal article |
| Title: | Edge-following topological states |
| Author: | Thiang, G.C. |
| Citation: | Journal of Geometry and Physics, 2020; 156:1-17 |
| Publisher: | Elsevier |
| Issue Date: | 2020 |
| ISSN: | 0393-0440 1879-1662 |
| Statement of Responsibility: | Guo Chuan Thiang |
| Abstract: | We prove that Chern insulators have topologically protected edge states which not only propagate unidirectionally along a straight line boundary, but also swerve around arbitrary-angled corners and geometric imperfections of the material boundary. This is a physical manifestation of the index theory of certain semigroup operator algebras. |
| Keywords: | Topological insulators; toeplitz algebras; K-theory; bulk-edge correspondence |
| Rights: | © 2020 Elsevier B.V. All rights reserved. |
| DOI: | 10.1016/j.geomphys.2020.103796 |
| Grant ID: | http://purl.org/au-research/grants/arc/DE170100149 |
| Published version: | http://dx.doi.org/10.1016/j.geomphys.2020.103796 |
| Appears in Collections: | Aurora harvest 8 Mathematical Sciences publications |
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