Entanglements in a coupled cavity–array with one oscillating end-mirror
Wu Qina),b), Xiao Yina), Zhang Zhi-Ming†a)
       
Plot of the logarithmic negativity (dashed curves), (solid curves), and (dash–dotted curves) versus the coupling strength J when Δ 1 = − ωm , Δ 2 = ωm .