Richardson–Gaudin states of non-zero seniority. II. Single-reference treatment of strong correlation
P
Paul A. Johnson
(Département de Chimie, Université Laval 1 , Québec, Québec G1V 0A6,)
Abstract
Strongly correlated systems are well described as a configuration interaction of Slater determinants classified by their number of unpaired electrons. This treatment is, however, unfeasible. In this paper, it is demonstrated that single reference methods built from Richardson–Gaudin states yield comparable results at polynomial cost.
Article Details
Journal
The Journal of Chemical Physics
Volume / Issue
Vol. 163, Issue 8
Published
August 28, 2025
ISSN
0021-9606
Publisher
American Institute of Physics
Journal Info
The Journal of Chemical Physics
American Institute of Physics
ISSN: 0021-9606 Physical Sciences
Authors (1)
P
Paul A. Johnson
Département de Chimie, Université Laval 1 , Québec, Québec G1V 0A6,
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