Entanglement fidelity of the standard quantum teleportation channel
Gang Li, Ming-Yong Ye, Xiu-Min Lin
TL;DR
This paper analyzes the effectiveness of the standard quantum teleportation protocol in transmitting entanglement, providing a simple formula for the average entanglement fidelity over all input states.
Contribution
It introduces a straightforward expression for the entanglement fidelity of the teleportation channel using a general bipartite resource state.
Findings
Derived a simple formula for average entanglement fidelity
Quantified how well the teleportation channel preserves entanglement
Applicable to general bipartite entanglement resources
Abstract
We consider the standard quantum teleportation protocol where a general bipartite state is used as entanglement resource. We use the entanglement fidelity to describe how well the standard quantum teleportation channel transmits quantum entanglement and give a simple expression for the entanglement fidelity when it is averaged on all input states.
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