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 (a) and (b) versus the environment temperature when , Δ 2 = − ωm . Solid, dashed, and dash–dotted curves refer to different coupling strengths J = ωm , 1.5 ωm , 2 ωm .