2024
DOI: 10.1103/physrevresearch.6.043249
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Quantum computer error structure probed by quantum error correction syndrome measurements

Spiro Gicev,
Lloyd C. L. Hollenberg,
Muhammad Usman

Abstract: With quantum devices rapidly approaching qualities and scales needed for fault tolerance, the validity of simplified error models underpinning the study of quantum error correction needs to be experimentally evaluated. In this work, we have assessed the performance of IBM superconducting quantum computer devices implementing heavy-hexagon code syndrome measurements with circuit sizes up to 23 qubits, against the error assumptions underpinning code threshold calculations. Circuit operator change rate statistics… Show more

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