Publication: Topological zero-dimensional defect and flux states in three-dimensional insulators
Topological zero-dimensional defect and flux states in three-dimensional insulators
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Schindler, F., Tsirkin, S. S., Neupert, T., Andrei Bernevig, B., & Wieder, B. J. (2022). Topological zero-dimensional defect and flux states in three-dimensional insulators. Nature Communications, 13, 5791. https://doi.org/10.1038/s41467-022-33471-x
Abstract
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Abstract
In insulating crystals, it was previously shown that defects with two fewer dimensions than the bulk can bind topological electronic states. We here further extend the classification of topological defect states by demonstrating that the corners of crystalline defects with integer Burgers vectors can bind 0D higher-order end (HEND) states with anomalous charge and spin. We demonstrate that HEND states are intrinsic topological consequences of the bulk electronic structure and introduce new bulk topological invariants that are predicti
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- Schindler, Frank
- Tsirkin, Stepan S
- Neupert, Titus
- Andrei Bernevig, B
- Wieder, Benjamin J
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Citations
Schindler, F., Tsirkin, S. S., Neupert, T., Andrei Bernevig, B., & Wieder, B. J. (2022). Topological zero-dimensional defect and flux states in three-dimensional insulators. Nature Communications, 13, 5791. https://doi.org/10.1038/s41467-022-33471-x
