Math @ Duke
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Publications [#236054] of Robert Calderbank
Papers Published
- Calderbank, AR; Rains, EM; Shor, PW; Sloane, NJA, Quantum error correction via codes over GF(4),
IEEE International Symposium on Information Theory - Proceedings
(December, 1997),
pp. 292, IEEE [doi]
(last updated on 2024/04/17)
Abstract: The unreasonable effectiveness of quantum computing is founded on coherent quantum superposition or entanglement which allows a large number of calculations to be performed simultaneously. This coherence is lost as a quantum system interacts with its environment. In the present paper the problem of finding quantum-error-correcting codes is transformed into one of finding additive codes over the field GF(4) which are self-orthogonal with respect to a certain trace inner product. Many new codes and new bounds are presented, as well as a table of upper and lower bounds on such codes of length up to 30 qubits. © 1997 IEEE.
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