diff --git a/codes/quantum/groups/rotors/stabilizer/rotor_5_1_3.yml b/codes/quantum/groups/rotors/stabilizer/rotor_5_1_3.yml index c40b1682c..f2e293b46 100644 --- a/codes/quantum/groups/rotors/stabilizer/rotor_5_1_3.yml +++ b/codes/quantum/groups/rotors/stabilizer/rotor_5_1_3.yml @@ -25,7 +25,7 @@ relations: - code_id: small_distance cousins: - code_id: qudit_5_1_3 - detail: 'The five-rotor code is a bosonic analogue of the five-qudit code.' + detail: 'The five-rotor code is a rotor analogue of the five-qudit code.' diff --git a/codes/quantum/properties/block/single_shot.yml b/codes/quantum/properties/block/single_shot.yml index 4d3a676b8..8605dfd3d 100644 --- a/codes/quantum/properties/block/single_shot.yml +++ b/codes/quantum/properties/block/single_shot.yml @@ -38,7 +38,14 @@ description: | features: threshold: - 'Residual errors do not become unwieldy after some system-size-independent number cycles of faulty syndrome measurements, and a perfect decoder would be able to recover the information if the final residual error is correctable. - The physical error rate below which the infidelity after perfect decoding decreases superpolynomially with system size is called the \textit{sustainable threshold} \cite{arxiv:2009.11790}.' + Consider acting on a state \(\rho\) with a noise channel \(\mathcal N\) with noise rate \(p\), followed by \(t\) rounds of noisy syndrome measurements \(\mathcal R\) with noise rate \(\eta\) and one perfect recovery (which can be substituted with destructive physical-qubit measurements in practice). + The failure probability of a single-shot code should decrease exponentially with the distance of the code, + \begin{align} + fp_{\text{fail}} =1-F\left(\mathcal{R}[\mathcal{R}_{\eta}\mathcal{N}_{p}]^{t}(\rho),\rho\right) + =t\left(p/p_{\star}\right)^{d}For p