Hierarchical and probabilistic quantum information splitting of an arbitrary two-qubit state via two cluster states
(color online) Relationships between the value of ω and the total success probability P, which satisfies P = (16a2c2b2d2)/ω × 16 in the three cases, with coefficients satisfying a2 + b2 = 1/2 and c2 + d2 = 1 / 2.
