Journal
PHYSICAL REVIEW LETTERS
Volume 86, Issue 2, Pages 352-355Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.86.352
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Remote information concentration, the reverse process of quantum telecloning, is presented. In this scheme, quantum information originally from a single qubit. but now distributed into three spatially separated qubits, is remotely concentrated back to a single qubit via an initially shared entangled state without performing any global operations. This entangled state is a single unlockable bound entangled slate and we analyze its properties.
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