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 …

Topological edge modes and phase transitions in a critical fermionic chain with long-range interactions

WH Zhong, WL Li, YC Chen, XJ Yu - Physical Review A, 2024 - APS
Long-range interactions can fundamentally alter properties in gapped topological phases
such as emergent massive edge modes. However, recent research has shifted attention to …

Ensemble inequivalence in long-range quantum systems

N Defenu, D Mukamel, S Ruffo - Physical Review Letters, 2024 - APS
Ensemble inequivalence, ie, the possibility of observing different thermodynamic properties
depending on the statistical ensemble which describes the system, is one of the hallmarks of …

A scaling theory for the long-range to short-range crossover and an infrared duality

C Behan, L Rastelli, S Rychkov… - Journal of Physics A …, 2017 - iopscience.iop.org
We study the second-order phase transition in the d-dimensional Ising model with long-
range interactions decreasing as a power of the distance $1/r^{d+ s} $. For s below some …

Analytic and numerical bootstrap for the long-range Ising model

C Behan, E Lauria, M Nocchi, P van Vliet - Journal of High Energy Physics, 2024 - Springer
A bstract We combine perturbation theory with analytic and numerical bootstrap techniques
to study the critical point of the long-range Ising (LRI) model in two and three dimensions …

Criticality and phase diagram of quantum long-range O() models

N Defenu, A Trombettoni, S Ruffo - Physical Review B, 2017 - APS
Several recent experiments in atomic, molecular, and optical systems motivated a huge
interest in the study of quantum long-range systems. Our goal in this paper is to present a …

Dissipative time crystals with long-range Lindbladians

G Passarelli, P Lucignano, R Fazio, A Russomanno - Physical Review B, 2022 - APS
Dissipative time crystals can appear in spin systems, when the Z 2 symmetry of the
Hamiltonian is broken by the environment, and the square of total spin operator S 2 is …

[HTML][HTML] Conformal invariance in the long-range Ising model

MF Paulos, S Rychkov, BC van Rees, B Zan - Nuclear Physics B, 2016 - Elsevier
We consider the question of conformal invariance of the long-range Ising model at the
critical point. The continuum description is given in terms of a nonlocal field theory, and the …

O (N) models with boundary interactions and their long range generalizations

S Giombi, H Khanchandani - Journal of High Energy Physics, 2020 - Springer
A bstract We study the critical properties of scalar field theories in d+ 1 dimensions with O
(N) invariant interactions localized on a d-dimensional boundary. By a combination of large …