Fig. 3: Lorenz curves for ρ(λ, θ, ϕ) with Schmidt rank 1(θ = 0, ϕ = π/2), 2(θ = π/4, ϕ = π/2) and \(3(\theta =\phi =\pi /3,\theta =\pi /4,\phi =\arctan \sqrt{2})\) for MUBs and non-MUBs cases. | npj Quantum Information

Fig. 3: Lorenz curves for ρ(λ, θ, ϕ) with Schmidt rank 1(θ = 0, ϕ = π/2), 2(θ = π/4, ϕ = π/2) and \(3(\theta =\phi =\pi /3,\theta =\pi /4,\phi =\arctan \sqrt{2})\) for MUBs and non-MUBs cases.

From: Witness high-dimensional quantum steering via majorization lattice

Fig. 3: Lorenz curves for ρ(λ, θ, ϕ) with Schmidt rank 1(θ = 0, ϕ = π/2), 2(θ = π/4, ϕ = π/2) and 
                          $$3(\theta =\phi =\pi /3,\theta =\pi /4,\phi =\arctan \sqrt{2})$$
                          
                            
                              3
                              (
                              θ
                              =
                              ϕ
                              =
                              π
                              /
                              3
                              ,
                              θ
                              =
                              π
                              /
                              4
                              ,
                              ϕ
                              =
                              arctan
                              
                                
                                  2
                                
                              
                              )
                            
                          
                         for MUBs and non-MUBs cases.

The black solid line represents the majorization bound \(\vec{\omega }({\mathcal{B}})\). The shadow region above the majorization bound curve indicates the steerable region detected by Eq. (26). a Steering of state ρ(λ, θ, ϕ) with MUBs. b Steering of state ρ(λ, θ, ϕ) with non-MUBs.

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