Introduces CAD codes for global symmetric AD errors on 4 and 9 qubits that outperform prior codes, with explicit low-gate recovery circuits for PI codes under collective and local correlated AD noise.
Reversing quan- tum dynamics with near-optimal quantum and classical fidelity.Journal of Mathematical Physics, 43(5):2097– 2106, 2002
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Recovery Algorithm for Correlated Errors in Permutation-Invariant Quantum Codes
Introduces CAD codes for global symmetric AD errors on 4 and 9 qubits that outperform prior codes, with explicit low-gate recovery circuits for PI codes under collective and local correlated AD noise.