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 …

Thermalization and prethermalization in isolated quantum systems: a theoretical overview

T Mori, TN Ikeda, E Kaminishi… - Journal of Physics B …, 2018 - iopscience.iop.org
The approach to thermal equilibrium, or thermalization, in isolated quantum systems is
among the most fundamental problems in statistical physics. Recent theoretical studies have …

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 …

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 …

[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 …

Dynamical quantum phase transitions in spin chains with long-range interactions: Merging different concepts of nonequilibrium criticality

B Žunkovič, M Heyl, M Knap, A Silva - Physical review letters, 2018 - APS
We theoretically study the dynamics of a transverse-field Ising chain with power-law
decaying interactions characterized by an exponent α, which can be experimentally realized …

Variational optimization algorithms for uniform matrix product states

V Zauner-Stauber, L Vanderstraeten, MT Fishman… - Physical Review B, 2018 - APS
We combine the density matrix renormalization group (DMRG) with matrix product state
tangent space concepts to construct a variational algorithm for finding ground states of one …

Tuning the Topological -Angle in Cold-Atom Quantum Simulators of Gauge Theories

JC Halimeh, IP McCulloch, B Yang, P Hauke - Prx Quantum, 2022 - APS
The topological θ-angle in gauge theories engenders a series of fundamental phenomena,
including violations of charge-parity (CP) symmetry, dynamical topological transitions, and …

Tangent-space methods for uniform matrix product states

L Vanderstraeten, J Haegeman… - SciPost Physics Lecture …, 2019 - scipost.org
In these lecture notes we give a technical overview of tangent-space methods for matrix
product states in the thermodynamic limit. We introduce the manifold of uniform matrix …

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 …