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 …

Simulation methods for open quantum many-body systems

H Weimer, A Kshetrimayum, R Orús - Reviews of Modern Physics, 2021 - APS
Coupling a quantum many-body system to an external environment dramatically changes its
dynamics and offers novel possibilities not found in closed systems. Of special interest are …

[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 …

Spin squeezing with short-range spin-exchange interactions

MA Perlin, C Qu, AM Rey - Physical Review Letters, 2020 - APS
We investigate many-body spin squeezing dynamics in an XXZ model with interactions that
fall off with distance r as 1/r α in D= 2 and 3 spatial dimensions. In stark contrast to the Ising …

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 …

New phase space formulations and quantum dynamics approaches

X He, B Wu, Y Shang, B Li, X Cheng… - Wiley Interdisciplinary …, 2022 - Wiley Online Library
We report recent progress on the phase space formulation of quantum mechanics with
coordinate‐momentum variables, focusing more on new theory of (weighted) constraint …

Improved Lieb-Robinson bound for many-body Hamiltonians with power-law interactions

DV Else, F Machado, C Nayak, NY Yao - Physical Review A, 2020 - APS
In this paper, we prove a family of Lieb-Robinson bounds for discrete spin systems with long-
range interactions. Our results apply for arbitrary k-body interactions, so long as they decay …

Enhancing spin squeezing using soft-core interactions

JT Young, SR Muleady, MA Perlin, AM Kaufman… - Physical Review …, 2023 - APS
We propose a protocol for preparing spin squeezed states in controllable atomic, molecular,
and optical systems, with particular relevance to emerging optical clock platforms compatible …

Dynamics of interacting fermions under spin–orbit coupling in an optical lattice clock

SL Bromley, S Kolkowitz, T Bothwell, D Kedar… - Nature Physics, 2018 - nature.com
Quantum statistics and symmetrization dictate that identical fermions do not interact via s-
wave collisions. However, in the presence of spin–orbit coupling (SOC), fermions prepared …

Out-of-equilibrium quantum magnetism and thermalization in a spin-3 many-body dipolar lattice system

S Lepoutre, J Schachenmayer, L Gabardos… - Nature …, 2019 - nature.com
Understanding quantum thermalization through entanglement build up in isolated quantum
systems addresses fundamental questions on how unitary dynamics connects to statistical …