Quantum error correction of dephasing in 3 qubits

Details Quantum error correction of dephasing in 3 qubits Quantum error correction of dephasing in 3 qubits

1996-03-19

arxiv.org/abs/quant-ph/9603024v1

Physics

Quantum Physics

latex with revtex, 3 pages, 4 figures

Scientific paper

We show how to perform error correction of single qubit dephasing by encoding a single qubit into a minimum of three. This may be performed in a manner closely analogous to classical error correction schemes. Further, the resulting quantum error correction schemes are trivially generalized to the minimal encoding of arbitrarily many qubits so as to allow for multiqubit dephasing correction under the sole condition that the environment acts independently on each qubit.

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