(a) The occupation probabilities of states |↓〉, | ↑〉, and |↓↑⇑〉 versus the angle θ when ħG = 50 μeV. The lines with black squares, red dots, and blue triangles are for states |↓〉, | ↑〉, and |↓↑⇑〉, respectively. (b) The corresponding nuclear spin polarization after 10 μs. Other parameters are: ħΩ = 100 μeV, , Γ_t↓ = Γ_t↑ = 0.5 ns⁻¹, γ_t = γ_↓ = 0.001 ns⁻¹, Δ = 0.