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 …

Quantum quenches in 1+ 1 dimensional conformal field theories

P Calabrese, J Cardy - Journal of Statistical Mechanics: Theory …, 2016 - iopscience.iop.org
We review the imaginary time path integral approach to the quench dynamics of conformal
field theories. We show how this technique can be applied to the determination of the time …

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 …

The quench action

JS Caux - Journal of Statistical Mechanics: Theory and …, 2016 - iopscience.iop.org
We give a pedagogical introduction to the methodology of the Quench Action, which is an
effective representation for the calculation of time-dependent expectation values of physical …

Entanglement growth and correlation spreading with variable-range interactions in spin and fermionic tunneling models

AS Buyskikh, M Fagotti, J Schachenmayer, F Essler… - Physical Review A, 2016 - APS
We investigate the dynamics following a global parameter quench for two one-dimensional
models with variable-range power-law interactions: a long-range transverse Ising model …

Metastability and discrete spectrum of long-range systems

N Defenu - Proceedings of the National Academy of Sciences, 2021 - pnas.org
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 …

Kaleidoscope of quantum phases in a long-range interacting spin-1 chain

ZX Gong, MF Maghrebi, A Hu, M Foss-Feig… - Physical Review B, 2016 - APS
Motivated directly by recent trapped-ion quantum simulation experiments, we carry out a
comprehensive study of the phase diagram of a spin-1 chain with XXZ-type interactions that …

Entanglement in Lifshitz-type quantum field theories

MR Mohammadi Mozaffar, A Mollabashi - Journal of High Energy Physics, 2017 - Springer
A bstract We study different aspects of quantum entanglement and its measures, including
entanglement entropy in the vacuum state of a certain Lifshitz free scalar theory. We present …

Quantum quenches in the Luttinger model and its close relatives

MA Cazalilla, MC Chung - Journal of Statistical Mechanics …, 2016 - iopscience.iop.org
A number of results on quantum quenches in the Luttinger and related models are surveyed
with emphasis on post-quench correlations. For the Luttinger model and initial gaussian …