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 …

[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 …

Metastability and discrete spectrum of long-range systems

N Defenu - Proceedings of the National Academy of …, 2021 - National Acad Sciences
Long-lived quasi-stationary states (QSSs) are a signature characteristic of long-range
interacting systems both in the classical and in the quantum realms. Often, they emerge after …

Kuramoto model of synchronization: equilibrium and nonequilibrium aspects

S Gupta, A Campa, S Ruffo - Journal of Statistical Mechanics …, 2014 - iopscience.iop.org
The phenomenon of spontaneous synchronization, particularly within the framework of the
Kuramoto model, has been a subject of intense research over the years. The model …

Thermal transport in long-range interacting Fermi-Pasta-Ulam chains

J Wang, SV Dmitriev, D Xiong - Physical Review Research, 2020 - APS
Studies of thermal transport in long-range (LR) interacting systems are currently particularly
challenging. The main difficulties lie in the choice of boundary conditions and the definition …

Nonequilibrium first-order phase transition in coupled oscillator systems with inertia and noise

S Gupta, A Campa, S Ruffo - Physical Review E, 2014 - APS
We study the dynamics of a system of coupled oscillators of distributed natural frequencies,
by including the features of both thermal noise, parametrized by a temperature, and inertial …

The world of long-range interactions: A bird's eye view

S Gupta, S Ruffo - International Journal of Modern Physics A, 2017 - World Scientific
In recent years, studies of long-range interacting (LRI) systems have taken center stage in
the arena of statistical mechanics and dynamical system studies, due to new theoretical …

Mean field limit for disordered diffusions with singular interactions

E Luçon, W Stannat - 2014 - projecteuclid.org
Motivated by considerations from neuroscience (macroscopic behavior of large ensembles
of interacting neurons), we consider a population of mean field interacting diffusions in R^m …

Quenched asymptotics for interacting diffusions on inhomogeneous random graphs

E Luçon - Stochastic Processes and their Applications, 2020 - Elsevier
The aim of the paper is to address the behavior in large population of diffusions interacting
on a random, possibly diluted and inhomogeneous graph. This is the natural continuation of …

One dimensional phase-ordering in the Ising model with space decaying interactions

F Corberi, E Lippiello, P Politi - Journal of Statistical Physics, 2019 - Springer
The study of the phase ordering kinetics of the ferromagnetic one-dimensional Ising model
dates back to 1963 (RJ Glauber, J. Math. Phys. 4, 294) for non conserved order parameter …