Table 1 Behavior of entanglement decay (ED) and decay of non-locality (ND) for different families of initial states.
From: Symmetry in the open-system dynamics of quantum correlations
ρ 22 = ρ 33 | ρ 22 ≠ ρ 33 & ρ 11 = ρ 44 ≠ 0 | ρ 22 ≠ ρ 33 & ρ 11 = ρ 44 = 0 | ρ 22 ≠ ρ 33 & ρ 11 ≠ ρ 44 = 0 | |
|---|---|---|---|---|
(a) Depolarizing channel. | ||||
ED | Symmetric | Symmetric | Symmetric | Asymmetric |
ND | Symmetric | Symmetric | Symmetric | Symmetric |
(b) Amplitude damping channel. | ||||
ED | Symmetric | Asymmetric | Symmetric | Symmetric |
ND | Symmetric | Asymmetric | Asymmetric | Asymmetric |
