Prospects for quantum enhancement with diabatic quantum annealing

EJ Crosson, DA Lidar - Nature Reviews Physics, 2021 - nature.com
Optimization, sampling and machine learning are topics of broad interest that have inspired
significant developments and new approaches in quantum computing. One such approach …

Dissipative time crystals with long-range Lindbladians

G Passarelli, P Lucignano, R Fazio, A Russomanno - Physical Review B, 2022 - APS
Dissipative time crystals can appear in spin systems, when the Z 2 symmetry of the
Hamiltonian is broken by the environment, and the square of total spin operator S 2 is …

Hybrid quantum-classical algorithms in the noisy intermediate-scale quantum era and beyond

A Callison, N Chancellor - Physical Review A, 2022 - APS
Hybrid quantum-classical algorithms are central to much of the current research in quantum
computing, particularly when considering the noisy intermediate-scale quantum (NISQ) era …

Benchmarking quantum annealing controls with portfolio optimization

E Grant, TS Humble, B Stump - Physical Review Applied, 2021 - APS
Quantum annealing offers an approach to finding the optimal solutions for a variety of
computational problems, where the quantum annealing controls influence the observed …

[HTML][HTML] Short-depth QAOA circuits and quantum annealing on higher-order ising models

E Pelofske, A Bärtschi, S Eidenbenz - npj Quantum Information, 2024 - nature.com
We present a direct comparison between QAOA (Quantum Alternating Operator Ansatz), and
QA (Quantum Annealing) on 127 qubit problem instances. QAOA with p= 1, 2 rounds is …

Counterdiabatic driving in the quantum annealing of the -spin model: A variational approach

G Passarelli, V Cataudella, R Fazio, P Lucignano - Physical Review Research, 2020 - APS
Finding the exact counterdiabatic potential is, in principle, particularly demanding. Following
recent progress about variational strategies to approximate the counterdiabatic operator, in …

Genetic optimization of quantum annealing

PR Hegde, G Passarelli, A Scocco, P Lucignano - Physical Review A, 2022 - APS
The study of optimal control of quantum annealing by modulating the pace of evolution and
by introducing a counterdiabatic potential has gained significant attention in recent times. In …

Designing quantum annealing schedules using Bayesian optimization

JR Finžgar, MJA Schuetz, JK Brubaker, H Nishimori… - Physical Review …, 2024 - APS
We propose and analyze the use of Bayesian optimization techniques to design quantum
annealing schedules with minimal user and resource requirements. We showcase our …

Why and when pausing is beneficial in quantum annealing

H Chen, DA Lidar - Physical Review Applied, 2020 - APS
Recent empirical results using quantum-annealing hardware have shown that midanneal
pausing has a surprisingly beneficial impact on the probability of finding the ground state for …

Greedy parameter optimization for diabatic quantum annealing

T Kadowaki, H Nishimori - Philosophical Transactions of …, 2023 - royalsocietypublishing.org
A shorter processing time is desirable for quantum computation to minimize the effects of
noise. We propose a simple procedure to variationally determine a set of parameters in the …