Permutational symmetry of reduced densit
β
Eugene S. Kryachko
π
Article
π
1977
π
John Wiley and Sons
π
English
β 450 KB
## Abstract The problems of permutational symmetry of the density matrices in reduction are studied. Some necessary and sufficient conditions for __N__, [Ξ»~1~], [Ξ»~2~]βderivability problem are given.