Quantum annealing: An overview

A Rajak, S Suzuki, A Dutta… - … Transactions of the …, 2023 - royalsocietypublishing.org
In this review, after providing the basic physical concept behind quantum annealing (or
adiabatic quantum computation), we present an overview of some recent theoretical as well …

Colloquium: Nonequilibrium dynamics of closed interacting quantum systems

A Polkovnikov, K Sengupta, A Silva… - Reviews of Modern Physics, 2011 - APS
This Colloquium gives an overview of recent theoretical and experimental progress in the
area of nonequilibrium dynamics of isolated quantum systems. There is particularly a focus …

Coherent quantum annealing in a programmable 2,000 qubit Ising chain

AD King, S Suzuki, J Raymond, A Zucca, T Lanting… - Nature Physics, 2022 - nature.com
Quantum simulation has emerged as a valuable arena for demonstrating and understanding
the capabilities of near-term quantum computers,–. Quantum annealing, has been …

Universality of phase transition dynamics: Topological defects from symmetry breaking

A Del Campo, WH Zurek - International Journal of Modern Physics …, 2014 - World Scientific
In the course of a nonequilibrium continuous phase transition, the dynamics ceases to be
adiabatic in the vicinity of the critical point as a result of the critical slowing down (the …

Dynamics of a quantum phase transition and relaxation to a steady state

J Dziarmaga - Advances in Physics, 2010 - Taylor & Francis
We review recent theoretical work on two closely related issues: excitation of an isolated
quantum condensed matter system driven adiabatically across a continuous quantum phase …

Digitized-counterdiabatic quantum approximate optimization algorithm

P Chandarana, NN Hegade, K Paul… - Physical Review …, 2022 - APS
The quantum approximate optimization algorithm (QAOA) has proved to be an effective
classical-quantum algorithm serving multiple purposes, from solving combinatorial …

Probing the universality of topological defect formation in a quantum annealer: Kibble-Zurek mechanism and beyond

Y Bando, Y Susa, H Oshiyama, N Shibata… - Physical Review …, 2020 - APS
The number of topological defects created in a system driven through a quantum phase
transition exhibits a power-law scaling with the driving time. This universal scaling law is the …

Variational neural annealing

M Hibat-Allah, EM Inack, R Wiersema… - Nature Machine …, 2021 - nature.com
Many important challenges in science and technology can be cast as optimization problems.
When viewed in a statistical physics framework, these can be tackled by simulated …

The quantum Ising chain for beginners

GB Mbeng, A Russomanno, GE Santoro - SciPost Physics Lecture Notes, 2024 - scipost.org
We present here various techniques to work with clean and disordered quantum Ising
chains, for the benefit of students and non-experts. Starting from the Jordan-Wigner …

Reinforcement-learning-assisted quantum optimization

MM Wauters, E Panizon, GB Mbeng, GE Santoro - Physical Review Research, 2020 - APS
We propose a reinforcement learning (RL) scheme for feedback quantum control within the
quantum approximate optimization algorithm (QAOA). We reformulate the QAOA variational …