Figure 2
From: Symmetry in the open-system dynamics of quantum correlations

Schematic illustrations (a), (b), (c) and (d) visualize four different geometric configurations for noise combinations. Here channels \({{\rm{\Phi }}}_{p},{{\rm{\Psi }}}_{p},\) and \({{\rm{\Xi }}}_{p}\) correspond to local amplitude damping or depolarizing noises with equal channel strength parameters p acting on qubits U and L.