Probabilistic error cancellation for dynamic quantum circuits

• URL: http://arxiv.org/abs/2310.07825v2
• Date: Fri, 15 Dec 2023 20:33:09 GMT
• Title: Probabilistic error cancellation for dynamic quantum circuits
• Authors: Riddhi S. Gupta, Ewout van den Berg, Maika Takita, Diego Riste, Kristan Temme, and Abhinav Kandala
• Abstract summary: In this work we extend the application of PEC from unitary-only circuits to dynamic circuits with measurement-based operations. Our approach extends the sparse Pauli-Lindblad noise model to measurement-based operations while accounting for non-local measurement crosstalk in superconducting processors.
• Score: 0.1794906241363549
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Probabilistic error cancellation (PEC) is a technique that generates error-mitigated estimates of expectation values from ensembles of quantum circuits. In this work we extend the application of PEC from unitary-only circuits to dynamic circuits with measurement-based operations, such as mid-circuit measurements and classically-controlled (feedforward) Clifford operations. Our approach extends the sparse Pauli-Lindblad noise model to measurement-based operations while accounting for non-local measurement crosstalk in superconducting processors. Our mitigation and monitoring experiments provide a holistic view for the performance of the protocols developed in this work. These capabilities will be a crucial tool in the exploration of near-term dynamic circuit applications.

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