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Improved two-party and multi-party purification protocols
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We present an improved protocol for entanglement purification of bipartite mixed states using several states at a time rather than two at a time as in the traditional recurrence method. We also present a generalization of the hashing method to n-partite cat states, which achieves a finite yield of pure cat states for any desired fidelity. Our results are compared to previous protocols.
Forward citations
Cited by 2 Pith papers
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Practical Entanglement Distillation Protocols with Quadratic Error Suppression
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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Improving Entanglement Resilience in Quantum Memories with Error-Detection-Based Distillation
A [[4,2,2]] error-detecting code can refresh stored entangled states in place, extending their usable lifetime beyond BBPSSW when classical communication is below a derived threshold.
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