Shunji Matsuura

Nested quantum annealing correction at finite temperature: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>p</mml:mi></mml:math>-spin models

2019 · Physical Review A

Quantum annealing in a real device is necessarily susceptible to errors due to diabatic transitions and thermal noise. Nested quantum annealing correction is a method to suppress errors by using an all-to-all penalty coupling among …

Optimizing electronic structure simulations on a trapped-ion quantum computer using problem decomposition

2021 · Communications Physics

Abstract Quantum computers have the potential to advance material design and drug discovery by performing costly electronic structure calculations. A critical aspect of this application requires optimizing the limited resources of the quantum hardware. Here, …