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) as a function of the normalized detuning Δ / ωm . (a) J = ωm , (b) J = 1.5 ωm , (c) J = 2.5 ωm , (d) J = 5 ωm .