157 citations
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quant-ph2020★ 123 cited
Mitiq: A software package for error mitigation on noisy quantum computers
Ryan LaRose, Andrea Mari, Sarah Kaiser +16
We introduce Mitiq, a Python package for error mitigation on noisy quantum computers. Error mitigation techniques can reduce the impact of noise on near-term quantum computers with…
quant-ph2020★ 157 cited
Estimating the gradient and higher-order derivatives on quantum hardware
Andrea Mari, Thomas R. Bromley, Nathan Killoran
For a large class of variational quantum circuits, we show how arbitrary-order derivatives can be analytically evaluated in terms of simple parameter-shift rules, i.e., by running…