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Researchers at the University of Edinburgh have developed scalable accreditation protocols that rigorously bound errors in near-term quantum computations using native non-Clifford gates like fSim and XY. This advancement eliminates the need for recompiling circuits into Clifford-only sets, which previously introduced significant depth overhead, thereby improving the practical reliability of current hardware platforms.
Quantum Computers Gain Robust Error Checks with New Gate Families

Quantum accreditation of circuits previously demanded all two-qubit gates be of the Clifford type, potentially increasing circuit depth by a factor of four. New protocols now extend accreditation to circuits utilising non-Clifford gates, such as those natively implemented on current quantum hardware. This advancement provides a means to rigorously upper-bound errors in near-term quantum computations.
Researchers at the University of Edinburgh, in collaboration with National Quantum Computing and the University of Warwick, have developed a family of scalable quantum accreditation protocols designed to rigorously define an upper bound on discrepancies between ideal and actual quantum calculations. The protocols address a critical challenge within the field of quantum computing, offering a practical and robust set of tools to assess the reliability of quantum circuits employing non-Clifford two-qubit gates. These gates, including families such as fSim and XY gates, are increasingly native to existing and developing quantum hardware platforms, making this advancement particularly…
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