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 at a fixed temperature T = 400 mK. (a) J = 0.4 ωm , (b) J = 0.6 ωm , (c) J = 0.8 ωm , (d) J = ωm .