A new encoding scheme for exp(-iθP) into stabilizer codes like [[n,n-2,2]] and [[5,1,3]] achieves 4-7x lower noise than unencoded versions with at most 3% runs discarded after postselection.
In other words, for any logical state| ψ⟩and its phys- ical state|ψ⟩,U|ψ⟩is the physical state of U| ψ⟩
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Protection of Exponential Operation using Stabilizer Codes in the Early Fault Tolerance Era
A new encoding scheme for exp(-iθP) into stabilizer codes like [[n,n-2,2]] and [[5,1,3]] achieves 4-7x lower noise than unencoded versions with at most 3% runs discarded after postselection.