Non-additivity of quantum capacity for multiparty communication channels
classification
🪐 quant-ph
keywords
capacitychannelscommunicationmultipartyquantumseveraladditivedistillability
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We investigate multiparty communication scenarios where information is sent from several sender to several receivers. We establish a relation between the quantum capacity of multiparty communication channels and their distillability properties which enables us to show that the quantum capacity of such channels is not additive.
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