activity
20192026
most citedConnecting ansatz expressibility to gradient magnitudes and barren plateaus

627 citations · 1.6k across the 17 of their papers we have counts for

collaborators
Showing 2021Show all

5 papers · 1 filter

quant-ph2021★ 14 cited

Quantum simulation of operator spreading in the chaotic Ising model

Michael R. Geller, Andrew Arrasmith, Zoë Holmes +3

There is great interest in using near-term quantum computers to simulate and study foundational problems in quantum mechanics and quantum information science, such as the scramblin…

quant-ph2021★ 12 cited

Experimental Quantum Learning of a Spectral Decomposition

Michael R. Geller, Zoë Holmes, Patrick J. Coles +1

Currently available quantum hardware allows for small scale implementations of quantum machine learning algorithms. Such experiments aid the search for applications of quantum comp…

quant-ph2021★ 150 cited

Equivalence of quantum barren plateaus to cost concentration and narrow gorges

Andrew Arrasmith, Zoë Holmes, M. Cerezo +1

Optimizing parameterized quantum circuits (PQCs) is the leading approach to make use of near-term quantum computers. However, very little is known about the cost function landscape…

quant-ph2021★ 36 cited

Long-time simulations with high fidelity on quantum hardware

Joe Gibbs, Kaitlin Gili, Zoë Holmes +5

Moderate-size quantum computers are now publicly accessible over the cloud, opening the exciting possibility of performing dynamical simulations of quantum systems. However, while…

quant-ph2021★ 627 cited

Connecting ansatz expressibility to gradient magnitudes and barren plateaus

Zoë Holmes, Kunal Sharma, M. Cerezo +1

Parameterized quantum circuits serve as ansätze for solving variational problems and provide a flexible paradigm for programming near-term quantum computers. Ideally, such ansätze…