Paul A. Johnson

Richardson–Gaudin states of non-zero seniority. III. The perfect-pairing limit

Strongly correlated electrons can be treated with a configuration interaction of Slater determinants grouped by their number of unpaired electrons with exponential cost. Papers I and II [P. A. Johnson, J. Chem. Phys. 162, 134106 (2025) and P. A. Johnson, J. Chem. Phys. 163, 08110...