Teleportation of entanglement using a three-particle entangled W state

We present a scheme for teleporting an unknown three-particle entangled W state from a sender to either of two receivers. Two partial three-particle entangled W states are used as the quantum channel. The success probability of teleportation depends on the entanglement degree of shared W states, which equals 4/9 for a quantum channel composed of two maximally entangled three-particle W states. The proposed scheme can be generalized to transmit an unknown m-particle entangled W state to any m-1 receiver and will be applied to long-distance transmission as well.

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