Quasi-localization and Wannier obstruction in partially flat bands
Abstract The localized nature of a flat band is understood by the existence of a compact localized eigenstate. However, the localization properties of a partially flat band, ubiquitous in surface modes of topological semimetals, have been unknown. We show that the partially flat band is characterize...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2024-06-01
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| Series: | Communications Physics |
| Online Access: | https://doi.org/10.1038/s42005-024-01679-6 |