Flat band in twisted bilayer Bravais lattices
Band engineering in twisted bilayers of the five generic two-dimensional Bravais networks is demonstrated. We first derive constraints on the interlayer coupling that determines an effective potential for low-energy physics. The constraints are originated from symmetry and fixed without reference to...
Main Authors: | Toshikaze Kariyado, Ashvin Vishwanath |
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Format: | Article |
Language: | English |
Published: |
American Physical Society
2019-11-01
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Series: | Physical Review Research |
Online Access: | http://doi.org/10.1103/PhysRevResearch.1.033076 |
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