Entanglement of pair cat states and teleportation
Shang-Bin Li, Ru-Kuan Wu, Qin-Mei Wang, Jing-Bo Xu
Abstract
The entanglement of pair cat states in the phase damping channel is studied by employing the relative entropy of entanglement. It is shown that the pair cat states can always be distillable in the phase damping channel. Furthermore, we analyze the fidelity of teleportation for the pair cat states by using joint measurements of the photon-number sum and phase difference.
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