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Questions tagged [logical-observables]

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Measuring a single-qubit PauliZ using Qiskit's EstimatorQNN

I am currently working with the EstimatorQNN from Qiskit to construct a Quantum Neural Network using a custom Parametrized Quantum Circuit. But I want to change the ...
yeray142's user avatar
1 vote
1 answer
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Y observable from surface code in Stim

I understand that, in the surface code, it is generally harder to measure $Y_L$ compared to $X_L$ or $Z_L$, and code deformations are generally required. However, is there an easier way to calculate ...
jchadwick's user avatar
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