| Secret Keys Assisted Private Classical Communication Capacity over Quantum Channels (2008) | |||||||||
Abstract | |||||||||
| We prove a regularized formula for the secret key-assisted capacity region of a quantum channel for transmitting private classical information. This result parallels the work of Devetak on entanglement assisted quantum communication capacity \cite{DHW05RI}. This formula provides a new family protocol, the private father protocol, under the resource inequality framework that includes private classical communication \it{without} secret key assistance as a child protocol.. Comment: 6 pages, 2 figures. Submitted to PRA | |||||||||
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