Quantum Entanglement and Information

[Revised entry by Jeffrey Bub on February 7, 2015. Changes to: Main text, Bibliography, local.js] Quantum entanglement is a physical resource, like energy, associated with the peculiar
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[Revised entry by Jeffrey Bub on February 7, 2015. Changes to: Main text, Bibliography, local.js] Quantum entanglement is a physical resource, like energy, associated with the peculiar nonclassical correlations that are possible between separated quantum systems. Entanglement can be measured, transformed, and purified. A pair of quantum systems in an entangled state can be used as a quantum information channel to perform computational and cryptographic tasks that are impossible for classical systems. The general study of the information-processing capabilities of quantum...

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News source: Stanford Encyclopedia of Philosophy

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