TY - RPRT TI - General construction and topological classification of crystalline flat bands AU - Călugăru, Dumitru AU - Chew, Aaron AU - Elcoro, Luis (ORCID:0000000254270984) AU - Xu, Yuanfeng AU - Regnault, Nicolas AU - Song, Zhi-Da (ORCID:0000000249875962) AU - Bernevig, B. Andrei (ORCID:0000000163374024) PY - 2021 DO - 10.1038/s41567-021-01445-3 UR - https://www.osti.gov/biblio/1978666 ID - 1978666 ER -