@article{rivera_venezuela_lima_champi_barreto_2026,  title={DFT+U: a Hubbard Hamiltonian-based correction for modeling localized electronic states},  volume={48},  ISSN={1806-1117},  url={https://doi.org/10.1590/1806-9126-RBEF-2025-0340},  DOI={10.1590/1806-9126-RBEF-2025-0340},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Rivera, Daniel and Venezuela, Pedro and Lima, Luis H. de and Champi, Ana and Barreto, Lucas},  year={2026},  pages={e20250340} }