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Universal distortion-free entanglement concentration
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abstract
Entanglement concentration from many copies of unknown pure states is discussed, and we propose the protocol which not only achieves entropy rate, but also produces the perfect maximally entangled state. Our protocol is induced naturally from symmetry of $n$-tensored pure state, and is optimal for all the protocols which concentrates entanglement from unknown pure states, in the sense of failure probability. In the proof of optimality, the statistical estimation theory plays a key role, for concentrated entanglement gives a natural estimate of the entropy of entanglement.
Forward citations
Cited by 2 Pith papers
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Universal magic state concentration
One fixed stabilizer protocol distills an exact CCZ state from six copies of any unknown pure non-stabilizer qubit state, with optimal success probability M3^lin(psi)/3.
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Robustness of Entanglement Manipulation for almost i.i.d. sources
Robustness theorems establish that asymptotic entanglement manipulation rates for MSR almost i.i.d. sources equal those of their i.i.d. references, with universal protocols for pure states.
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