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2023

Reliable Devices Yield Stable Quantum Computations

Dasgupta, Samudra, Humble, Travis S.

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Stable quantum computation requires noisy results to remain bounded even in the presence of noise fluctuations.

Yet non-stationary noise processes lead to drift in the varying characteristics of a quantum device that can greatly influence the circuit outcomes.
Here we address how temporal and spatial variations in noise relate device reliability to quantum computing stability.
First, our approach quantifies the differences in statistical distributions of characterization metrics collected at different times and locations using Hellinger distance.

Reliable Devices Yield Stable Quantum Computations · Around

Built on

Quantum complexity theory
Ethan Bernstein and Umesh Vazirani · 1993
Earlier work this paper cites.
The physical implementation of quantum computation
David P DiVincenzo · 2000
Earlier work this paper cites.
Interacting two-level defects as sources of fluctuating high-frequency noise in superconducting circuits
Clemens Müller, Jürgen Lisenfeld, Alexander Shnirman, and Stefano Poletto · 2015
Earlier work this paper cites.

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