6.9k citations
- IBM Research - Thomas J. Watson Research CenterUS632 papers
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Showing 1996 · quant-phShow all
3 papers · 2 filters
quant-ph1996★ 45 cited
The Parity Bit in Quantum Cryptography
C. H. Bennett, T. Mor, J. A. Smolin
An -bit string is encoded as a sequence of non-orthogonal quantum states. The parity bit of that -bit string is described by one of two density matrices, and $ρ_1…
quant-ph1996★ 37 cited
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…
quant-ph1996★ 5.3k cited
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,…