Reliable high-accuracy error mitigation for utility-scale quantum circuits

• URL: http://arxiv.org/abs/2508.10997v1
• Date: Thu, 14 Aug 2025 18:02:44 GMT
• Title: Reliable high-accuracy error mitigation for utility-scale quantum circuits
• Authors: Dorit Aharonov, Ori Alberton, Itai Arad, Yosi Atia, Eyal Bairey, Matan Ben Dov, Asaf Berkovitch, Zvika Brakerski, Itsik Cohen, Eran Fuchs, Omri Golan, Or Golan, Barak D. Gur, Ilya Gurwich, Avieli Haber, Rotem Haber, Dorri Halbertal, Yaron Itkin, Barak A. Katzir, Oded Kenneth, Shlomi Kotler, Roei Levi, Eyal Leviatan, Yotam Y. Lifshitz, Adi Ludmer, Shlomi Matityahu, Ron Aharon Melcer, Adiel Meyer, Omrie Ovdat, Aviad Panahi, Gil Ron, Ittai Rubinstein, Gili Schul, Tali Shnaider, Maor Shutman, Asif Sinay, Tasneem Watad, Assaf Zubida, Netanel H. Lindner,
• Abstract summary: We introduce QESEM, a reliable, high-accuracy, characterization-based software implementing efficient, unbiased quasi-probabilistic error mitigation.<n>We demonstrate its capabilities in the largest utility-scale error mitigation experiment based on an unbiased method.<n>Results mark a significant step forward in accuracy and reliability for running quantum circuits on devices available today.
• Score: 2.3311230422577696
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Error mitigation is essential for unlocking the full potential of quantum algorithms and accelerating the timeline toward quantum advantage. As quantum hardware progresses to push the boundaries of classical simulation, efficient and robust error mitigation methods are becoming increasingly important for producing accurate and reliable outputs. We introduce QESEM, a reliable, high-accuracy, characterization-based software implementing efficient, unbiased quasi-probabilistic error mitigation. We explain the innovative components underlying the operation of QESEM and demonstrate its capabilities in the largest utility-scale error mitigation experiment based on an unbiased method. This experiment simulates the kicked transverse field Ising model with far-from-Clifford parameters on an IBM Heron device. We further validate QESEM's versatility across arbitrary quantum circuits and devices through high-accuracy error-mitigated molecular VQE circuits executed on IBM Heron and IonQ trapped-ion devices. Compared with multiple variants of the widely used zero-noise extrapolation method, QESEM consistently achieves higher accuracy. These results mark a significant step forward in accuracy and reliability for running quantum circuits on devices available today across diverse algorithmic applications. Finally, we provide projections of QESEM's performance on near-term devices toward quantum advantage.

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