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Entanglement-Enhanced Classical Communication on a Noisy Quantum Channel
Charles H. Bennett, Christopher A. Fuchs, John A. Smolin
We consider the problem of trying to send a single classical bit through a noisy quantum channel when two transmissions through the channel are available as a resource. Classically…
Quantum Error-Correcting Codes Need Not Completely Reveal the Error Syndrome
Peter W. Shor, John A. Smolin
Quantum error-correcting codes so far proposed have not worked in the presence of noise which introduces more than one bit of entropy per qubit sent through a quantum channel, nor…
Perfect quantum error correction coding in 24 laser pulses
Samuel L. Braunstein, John A. Smolin
An efficient coding circuit is given for the perfect quantum error correction of a single qubit against arbitrary 1-qubit errors within a 5 qubit code. The circuit presented employ…
Mixed State Entanglement and Quantum Error Correction
Charles H. Bennett, David P. DiVincenzo, John A. Smolin +1
Entanglement purification protocols (EPP) and quantum error-correcting codes (QECC) provide two ways of protecting quantum states from interaction with the environment. In an EPP,…