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Abstract: A new modified version of the Oxford purification protocol is proposed. Thisversion is based on the controlled-controlled NOT gate instead of controlledNOT in the original one. Comparisons between the results of the new version andthe original and an earlier modification are given. It is found that the newversion converges faster and consumes fewer initial qubit pairs of low fidelityper final qubit pair of high fidelity.



Autor: Nasser Metwally, Abdel-Shafy F. Obada

Fuente: https://arxiv.org/







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