On the distillability problem of two-copy 4˟ 4 Werner states: matrices A, B of at most four nonzero entries.

Wed, 01 Feb 2023 00:00:00 +0100

Lin Chen, Changchun Feng, Huixia He :
On the distillability problem of two-copy 4˟ 4 Werner states: matrices A, B of at most four nonzero entries. Quantum Inf. Process. 22(2): 108 (2023)