Multipartite entanglement for entanglement teleportation

Details Multipartite entanglement for entanglement teleportation Multipartite entanglement for entanglement teleportation

2002-01-17

arxiv.org/abs/quant-ph/0201069v3

Phys. Rev. A66, 052318 (2002)

Physics

Quantum Physics

slightly modified

Scientific paper

10.1103/PhysRevA.66.052318

The scheme for entanglement teleportation is proposed to incorporate multipartite entanglement of four qubits as a quantum channel. Based on the invariance of entanglement teleportation under arbitrary two-qubit unitary transformation, we derive relations of separabilities for joint measurements at a sending station and for unitary operations at a receiving station. From the relations of separabilities it is found that an inseparable quantum channel always leads to a total teleportation of entanglement with an inseparable joint measurement and/or a nonlocal unitary operation.

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