Quantum simulation

IM Georgescu, S Ashhab, F Nori - Reviews of Modern Physics, 2014 - APS
Simulating quantum mechanics is known to be a difficult computational problem, especially
when dealing with large systems. However, this difficulty may be overcome by using some …

[BOOK][B] The Jaynes–Cummings model and its descendants: modern research directions

J Larson, T Mavrogordatos - 2021 - iopscience.iop.org
The Jaynes–Cummings Model (JCM) has recently been receiving increased attention as
one of the simplest, yet intricately nonlinear, models of quantum physics. Emphasising the …

Quantum chemistry calculations on a trapped-ion quantum simulator

C Hempel, C Maier, J Romero, J McClean, T Monz… - Physical Review X, 2018 - APS
Quantum-classical hybrid algorithms are emerging as promising candidates for near-term
practical applications of quantum information processors in a wide variety of fields ranging …

Strategies for quantum computing molecular energies using the unitary coupled cluster ansatz

J Romero, R Babbush, JR McClean… - Quantum Science …, 2018 - iopscience.iop.org
The variational quantum eigensolver (VQE) algorithm combines the ability of quantum
computers to efficiently compute expectation values with a classical optimization routine in …

Quantum implementation of the unitary coupled cluster for simulating molecular electronic structure

Y Shen, X Zhang, S Zhang, JN Zhang, MH Yung, K Kim - Physical Review A, 2017 - APS
In classical computational chemistry, the coupled-cluster ansatz is one of the most
commonly used ab initio methods, which is critically limited by its nonunitary nature. The …

Cold hybrid ion-atom systems

M Tomza, K Jachymski, R Gerritsma, A Negretti… - Reviews of modern …, 2019 - APS
Hybrid systems of laser-cooled trapped ions and ultracold atoms combined in a single
experimental setup have recently emerged as a new platform for fundamental research in …

Digital quantum simulation of fermionic models with a superconducting circuit

R Barends, L Lamata, J Kelly, L García-Álvarez… - Nature …, 2015 - nature.com
One of the key applications of quantum information is simulating nature. Fermions are
ubiquitous in nature, appearing in condensed matter systems, chemistry and high energy …

Quantum computers as universal quantum simulators: state‐of‐the‐art and perspectives

F Tacchino, A Chiesa, S Carretta… - Advanced Quantum …, 2020 - Wiley Online Library
The past few years have witnessed the concrete and fast spreading of quantum
technologies for practical computation and simulation. In particular, quantum computing …

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 …

Toward simulating quantum field theories with controlled phonon-ion dynamics: A hybrid analog-digital approach

Z Davoudi, NM Linke, G Pagano - Physical Review Research, 2021 - APS
Quantum field theories are the cornerstones of modern physics, providing relativistic and
quantum mechanical descriptions of physical systems at the most fundamental level …