activity
20122026
most citedEffect of barren plateaus on gradient-free optimization

234 citations · 1.6k across the 33 of their papers we have counts for

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Showing 2021Show all

5 papers · 1 filter

quant-ph2021★ 44 cited

Can Error Mitigation Improve Trainability of Noisy Variational Quantum Algorithms?

Samson Wang, Piotr Czarnik, Andrew Arrasmith +3

Variational Quantum Algorithms (VQAs) are often viewed as the best hope for near-term quantum advantage. However, recent studies have shown that noise can severely limit the traina…

quant-ph2021★ 39 cited

Unifying and benchmarking state-of-the-art quantum error mitigation techniques

Daniel Bultrini, Max Hunter Gordon, Piotr Czarnik +4

Error mitigation is an essential component of achieving a practical quantum advantage in the near term, and a number of different approaches have been proposed. In this work, we re…

quant-ph2021★ 67 cited

Variational Quantum Eigensolver with Reduced Circuit Complexity

Yu Zhang, Lukasz Cincio, Christian F. A. Negre +6

The variational quantum eigensolver (VQE) is one of the most promising algorithms to find eigenvalues and eigenvectors of a given Hamiltonian on noisy intermediate-scale quantum (N…

quant-ph2021★ 228 cited

Diagnosing Barren Plateaus with Tools from Quantum Optimal Control

Martin Larocca, Piotr Czarnik, Kunal Sharma +3

Variational Quantum Algorithms (VQAs) have received considerable attention due to their potential for achieving near-term quantum advantage. However, more work is needed to underst…

quant-ph2021★ 6 cited

Qubit-efficient exponential suppression of errors

Piotr Czarnik, Andrew Arrasmith, Lukasz Cincio +1

Achieving a practical advantage with near-term quantum computers hinges on having effective methods to suppress errors. Recent breakthroughs have introduced methods capable of expo…