Nature CommunicationsExperimental evidence of the topological obstruction in twisted bilayer grapheneF. MespleP. MalletG. Trambly de LaissardièreC. DutreixG. LapertotJ.-Y. VeuillenV. T. Renard2025-12-12Full textDOI https://doi.org/10.1038/s41467-025-66257-y