Long-range interacting quantum systems

N Defenu, T Donner, T Macrì, G Pagano, S Ruffo… - Reviews of Modern …, 2023 - APS
In this review recent investigations are summarized of many-body quantum systems with
long-range interactions, which are currently realized in Rydberg atom arrays, dipolar …

Dynamical phase transitions in the collisionless pre-thermal states of isolated quantum systems: theory and experiments

J Marino, M Eckstein, MS Foster… - Reports on Progress in …, 2022 - iopscience.iop.org
We overview the concept of dynamical phase transitions (DPTs) in isolated quantum
systems quenched out of equilibrium. We focus on non-equilibrium transitions characterized …

Observation of a many-body dynamical phase transition with a 53-qubit quantum simulator

J Zhang, G Pagano, PW Hess, A Kyprianidis, P Becker… - Nature, 2017 - nature.com
A quantum simulator is a type of quantum computer that controls the interactions between
quantum bits (or qubits) in a way that can be mapped to certain quantum many-body …

Exploring dynamical phase transitions with cold atoms in an optical cavity

JA Muniz, D Barberena, RJ Lewis-Swan, DJ Young… - Nature, 2020 - nature.com
Interactions between atoms and light in optical cavities provide a means of investigating
collective (many-body) quantum physics in controlled environments. Such ensembles of …

Programmable quantum simulations of spin systems with trapped ions

C Monroe, WC Campbell, LM Duan, ZX Gong… - Reviews of Modern …, 2021 - APS
Laser-cooled and trapped atomic ions form an ideal standard for the simulation of interacting
quantum spin models. Effective spins are represented by appropriate internal energy levels …

[HTML][HTML] Out-of-equilibrium dynamics of quantum many-body systems with long-range interactions

N Defenu, A Lerose, S Pappalardi - Physics Reports, 2024 - Elsevier
Experimental progress in atomic, molecular, and optical platforms in the last decade has
stimulated strong and broad interest in the quantum coherent dynamics of many long-range …

Scrambling and entanglement spreading in long-range spin chains

S Pappalardi, A Russomanno, B Žunkovič, F Iemini… - Physical Review B, 2018 - APS
We study scrambling in connection with multipartite entanglement dynamics in regular and
chaotic long-range spin chains, characterized by a well-defined semi-classical limit. For …

Domain-wall confinement and dynamics in a quantum simulator

WL Tan, P Becker, F Liu, G Pagano, KS Collins, A De… - Nature Physics, 2021 - nature.com
Particles subject to confinement experience an attractive potential that increases without
bound as they separate. A prominent example is colour confinement in particle physics, in …

Probing dynamical phase transitions with a superconducting quantum simulator

K Xu, ZH Sun, W Liu, YR Zhang, H Li, H Dong… - Science …, 2020 - science.org
Nonequilibrium quantum many-body systems, which are difficult to study via classical
computation, have attracted wide interest. Quantum simulation can provide insights into …

Observation of dynamical quantum phase transitions with correspondence in an excited state phase diagram

T Tian, HX Yang, LY Qiu, HY Liang, YB Yang, Y Xu… - Physical Review Letters, 2020 - APS
Dynamical quantum phase transitions are closely related to equilibrium quantum phase
transitions for ground states. Here, we report an experimental observation of a dynamical …