Effect of disorder on density of states and conductivity in higher-order Van Hove singularities in two-dimensional bands
We study systems with energy bands in two dimensions, hosting higher order Van Hove singularities (HOVHS) in the presence of disorder, using standard diagrammatic techniques for impurity averaging. In the clean limit, such singularities cause power-law divergence in the density of states (DOS), and...
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| Main Authors: | , |
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| Format: | Default Article |
| Published: |
2022
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| Subjects: | |
| Online Access: | https://hdl.handle.net/2134/19606147.v1 |
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