Quantum Discord
State: ρ = p|Ψ⟩⟨Ψ| + (1-p)I/4
|Ψ⟩ = cos(θ/2)|00⟩ + sin(θ/2)|11⟩
Discord D(A|B) = I(A:B) - C(A:B)
I = S(A)+S(B)-S(AB) (mutual info)
C = max_Π S(A) - S(A|B_Π) (classical)
D≥0, D=0 iff classical state
Entanglement θ (0=product, π=Bell):
1.57
Mixing p (1=pure, 0=white noise):
0.80
Phase φ (off-diagonal phase):
0.00
Computing...