48 citations · 178 across the 15 of their papers we have counts for
3 papers · 1 filter
Why doubly excited determinants govern configuration interaction calculations of electron correlations
Carlos L. Benavides-Riveros, José M. Gracia-Bondía, Michael Springborg
Computational evidence shows that, when using natural orbitals to study (dynamical and non-dynamical) electron correlation, determinants with an odd number of excitations play a ne…
Quasi-pinning and entanglement in the lithium isoelectronic series
Carlos L. Benavides-Riveros, José M. Gracia-Bondía, Michael Springborg
The Pauli exclusion principle gives an upper bound of 1 on the natural occupation numbers. Recently there has been an intriguing amount of theoretical evidence that there is a plet…
Physical Wigner functions
Carlos L. Benavides-Riveros, José M. Gracia-Bondía
In spite of their potential usefulness, the characterizations of Wigner functions for Bose and Fermi statistics given by O'Connell and Wigner himself almost thirty years ago has dr…