Tsallis, Constantino; Lamberti, Pedro W.; Prato, Domingo - In: Physica A: Statistical Mechanics and its Applications 295 (2001) 1, pp. 158-171
We discuss the paradigmatic bipartite spin-12 system having the probabilities (1+3x)/4 of being in the Einstein–Podolsky–Rosen fully entangled state |Ψ−〉≡1/2(|↑〉A|↓〉B−|↓〉A|↑〉B) and 3(1−x)/4 of being orthogonal. This system is known to be separable if and only if...
