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This document discusses super dense coding over a bit flip channel. It begins by preparing an initial joint quantum state of |φ+> for Alice and Bob. Alice then encodes one of four messages (00, 01, 10, 11) using unitary operations. Her qubit then passes through a bit flip channel before reaching Bob. The document derives expressions for the final joint quantum state after the channel and calculates the Holevo capacity of the channel, showing that it is equal to 2 - h(p), where h(p) is the binary entropy fun

Author

raina_nitk

Language

EN