Modulating quantum Fisher information of qubit in dissipative cavity by coupling strength
Lin Danping, Liu Yu, Zou Hong-Mei †
       

(color online) The effect of the atom–cavity coupling Ω and cavity–reservoir coupling λ on the QFI flow versus γ0t. Here, , and (a) λ = 5γ0, Ω = 0.05γ0; (b) λ = 5γ0, Ω = 3γ0; (c) λ = 0.05γ0, Ω = 0.05γ0; and (d) λ = 0.05γ0, Ω = 3γ0.