@misc{indiciaeca6e0039b315, title = {Solving the Bethe-Salpeter equation on a subspace: Approximations and consequences for low-dimensional materials}, author = {Qiu, Diana Y. and da Jornada, Felipe H. and Louie, Steven G.}, year = {2021}, doi = {10.1103/physrevb.103.045117}, url = {https://www.osti.gov/biblio/1823051}, note = {Source identifier: 1823051} }