Quantum error mitigation in quantum annealing
Abstract
Quantum Error Mitigation (QEM) presents a promising near-term approach to reduce error when estimating expectation values in quantum computing. Here, we introduce QEM techniques tailored for quantum annealing, using Zero-Noise Extrapolation (ZNE). We implement ZNE through zero-temperature extrapolation as well as energy-time rescaling. We conduct experimental investigations into the quantum critical dynamics of a transverse-field Ising spin chain, demonstrating the successful mitigation of thermal noise through both of these techniques. Moreover, we show that energy-time rescaling effectively mitigates control errors in the coherent regime where the effect of thermal noise is minimal. Our ZNE results agree with exact calculations of the coherent evolution over a range of annealing times that exceeds the coherent annealing range by almost an order of magnitude.
Cite
@article{arxiv.2311.01306,
title = {Quantum error mitigation in quantum annealing},
author = {Mohammad H. Amin and Andrew D. King and Jack Raymond and Richard Harris and William Bernoudy and Andrew J. Berkley and Kelly Boothby and Anatoly Smirnov and Fabio Altomare and Michael Babcock and Catia Baron and Jake Connor and Martin Dehn and Colin Enderud and Emile Hoskinson and Shuiyuan Huang and Mark W. Johnson and Eric Ladizinsky and Trevor Lanting and Allison J. R. MacDonald and Gaelen Marsden and Reza Molavi and Travis Oh and Gabriel Poulin-Lamarre and Hugh Ramp and Chris Rich and Berta Trullas Clavera and Nicholas Tsai and Mark Volkmann and Jed D. Whittaker and Jason Yao and Niclas Heinsdorf and Nitin Kaushal and Alberto Nocera and Marcel Franz},
journal= {arXiv preprint arXiv:2311.01306},
year = {2023}
}
Comments
10 pages, 5 figures