upward

Projected methods

R Rodriguez-Guzman, K W Schmid, C A Jimenez-Hoyos, G E Scuseria, Symmetry-projected variational approach for ground and excited states of the two-dimensional Hubbard model, PRB 85, 245130 (2012)

C A Jimenez-Hoyos, T M Henderson, T Tsuchimochi, G E Scuseria, Projected Hartree-Fock theory, JCP 136, 164109 (2012)

G E Scuseria, C A Jimenez-Hoyos, T M Henderson, K Samanta, J K Ellis, Projected quasiparticle theory for molecular electronic structure, JCP 135, 124108 (2011)