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arxiv: 1302.6450 · v2 · pith:BUZEVMFYnew · submitted 2013-02-26 · 🪐 quant-ph

Optimal correction of independent and correlated errors

classification 🪐 quant-ph
keywords correctionoptimalcorrelatederrorsadmitanalyticboundscases
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We identify optimal quantum error correction codes for situations that do not admit perfect correction. We provide analytic n-qubit results for standard cases with correlated errors on multiple qubits and demonstrate significant improvements to the fidelity bounds and optimal entanglement decay profiles.

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