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Scalable error mitigation for noisy quantum circuits produces competitive expectation values
Youngseok Kim, Christopher J. Wood, Theodore J. Yoder +4
Noise in existing quantum processors only enables an approximation to ideal quantum computation. However, these approximations can be vastly improved by error mitigation, for the c…
Quantum crosstalk cancellation for fast entangling gates and improved multi-qubit performance
K. X. Wei, E. Magesan, I. Lauer +14
Quantum computers built with superconducting artificial atoms already stretch the limits of their classical counterparts. While the lowest energy states of these artificial atoms s…
Dynamics of superconducting qubit relaxation times
Malcolm Carroll, Sami Rosenblatt, Petar Jurcevic +2
Superconducting qubits are a leading candidate for quantum computing but display temporal fluctuations in their energy relaxation times T1. This introduces instabilities in multi-q…
Covariant quantum kernels for data with group structure
Jennifer R. Glick, Tanvi P. Gujarati, Antonio D. Corcoles +4
The use of kernel functions is a common technique to extract important features from data sets. A quantum computer can be used to estimate kernel entries as transition amplitudes o…