Magnus, WimWimMagnusBrosens, FonsFonsBrosens2021-10-272021-10-2720190378-4371https://imec-publications.be/handle/20.500.12860/33504Occupation numbers in a quantum canonical ensemble: a projection operator approachJournal articlehttps://doi.org/10.1016/j.physa.2018.11.056