Richardson-Gaudin
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Related Articles from SNS
Richardson-Gaudin states of non-zero seniority III: The Perfect-Pairing limit
arXiv:2605.31582v1 Announce Type: new Abstract: Strongly correlated electrons can be treated with a configuration interaction of Slater determinants grouped by number of unpaired electrons with exponential cost. The first two papers in this series demonstrated that single reference methods built from Richardson-Gaudin states gave results of similar quality at polynomial cost. In this contribution, the states are simplified substantially yielding the perfect-pairing state as a reference along...