Dumitru Călugăru3 articles listing Dumitru Călugăru in Nature, Nature Communications, indexed by Paperzzz from Crossref and OSF.Entropy plateaus, combinatorial degeneracy, local moments, and heavy-fermion mass renormalization in magic-angle graphene Nature CommunicationsResolving intervalley gaps and many-body resonances in moiré superconductors NatureMoiré materials based on M-point twisting Nature