4 citations · 5 across the 3 of their papers we have counts for
3 papers
nucl-th2023
"Onishi" formulas
K. Neergård
The term "Onishi" formula refers to a family of related formulas for the overlap amplitude of two Bogolyubov quasi-fermion vacua. As a common feature, these formulas display a squa…
nucl-th2022★ 4 cited
Fock space representations of Bogolyubov transformations as spin representations
K. Neergård
The representation on a Fock space of the group of Bogolyubov transformations is recognized as the spin representation of an orthogonal group. Derivations based on this observation…
nucl-th2022★ 1 cited
Relation to a property of the angular momentum zero space of states of four fermions in an angular momentum shell unexpectedly found to be stationary for any rotationally invariant two-body interaction
K. Neergård
The existence of states with angular momenta and~6 of four fermions in an angular momentum shell that are stationary for any rotationally invariant two-body inter…