Author

R. Blume-Kohout

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Preprint Sep 2026

Benchmarking the computational power of quantum computers

This work demonstrates direct, cross-platform measurement of quantum computational capability using a new benchmark that quantifies the size of the largest computationally relevant quantum circuits that a machine can execute successfully and the speed at which it can execute them, and project the growth of capability a...

Timothy Proctor, Oliver Hart, Oliver Widzowski Maupin et al. · 1 citation

Preprint Aug 2026

A gauge-invariant theory of small Markovian errors in quantum gate sets

Noisy logic operations on a quantum computational register -- e.g., one or more qubits -- can be described by transfer matrices (a.k.a. CPTP maps or superoperators) that act linearly on the density matrix representing the register's quantum state. Collectively, these operations form a gate set. Gate sets have a gauge f...

J. D. de Mendoza, Corey I. Ostrove, T. Proctor et al. · 0 citations

Open access Dec 2024

Randomized benchmarking with synthetic quantum circuits

This work introduces a broad framework for enhancing the sample efficiency of RB that is sufficiently powerful to extend the practical reach of RB beyond the multiqubit setting, and shows that synthetic RB protocols can reduce the complexity of measuring rotationally invariant error rates by two orders of magnitude rel...

Yale Fan, Riley J. Murray, T. Ladd et al. · Quantum Science and Technolo... · 4 citations