Partial QEC on superpositions of code states suppresses local noise in quantum metrology with fewer checks than full QEC, achieving p to the power floor((l+1)/2) suppression for weight-l noise.
All macroscopic quantum states are fragile and hard to prepare
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Quantum metrology via partial quantum error correction
Partial QEC on superpositions of code states suppresses local noise in quantum metrology with fewer checks than full QEC, achieving p to the power floor((l+1)/2) suppression for weight-l noise.