Remote information concentration using a bound entangled state

Abstract

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 an unlockable bound entangled state and we analyze its properties.

4 pages, 2 figures

References in corpus (2)

• Quantum Teleportation is a Universal Computational Primitive
• Quantum information distribution via entanglement

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