Entanglement Teleportation via Werner States

Abstract

Transfer of entanglement and information is studied for quantum teleportation of an unknown entangled state through noisy quantum channels. We find that the quantum entanglement of the unknown state can be lost during the teleportation even when the channel is quantum correlated. We introduce a fundamental parameter of correlation information which dissipates linearly during the teleportation through the noisy channel. Analyzing the transfer of correlation information, we show that the purity of the initial state is important in determining the entanglement of the replica state.

4pages, 3figures

References in corpus (2)

• Experimental quantum teleportation
• Operationally Invariant Information in Quantum Measurements

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