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arxiv quant-ph/9709058 v2 pith:YW4WCUNC submitted 1997-09-30 quant-ph

Quantum privacy and quantum coherence

classification quant-ph
keywords quantumcapacitychannelcoherencecoherentconveycryptographyderive
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We derive a simple relation between a quantum channel's capacity to convey coherent (quantum) information and its usefulness for quantum cryptography.

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