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Entanglement purification with two-way classical communication

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arxiv quant-ph/0702155 v3 pith:7X6CODRC submitted 2007-02-15 quant-ph

Alan W. Leung , Peter W. Shor This is my paper · ORCID
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keywords classicalcommunicationtwo-wayentanglementimprovedprotocolpurificationquantum
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We present an improved protocol for entanglement purification of bipartite mixed states. The protocol requires two-way classical communication and hence implies an improved lower bound on the quantum capacity with two-way classical communication of the quantum depolarizing channel.

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  1. Practical Entanglement Distillation Protocols with Quadratic Error Suppression

    quant-ph 2026-05 unverdicted novelty 6.0 of 10

    New entanglement distillation protocols achieve quadratic error suppression of inter-module noise using two qubits per module under the assumption that local operations are much cleaner.

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