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 …

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 …

Dynamical and excited-state quantum phase transitions in collective systems

ÁL Corps, A Relaño - Physical Review B, 2022 - APS
We study dynamical phase transitions (DPTs) in quantum many-body systems with infinite-
range interaction, and present a theory connecting the two kinds of known DPTs (sometimes …

Theory of dynamical phase transitions in quantum systems with symmetry-breaking eigenstates

ÁL Corps, A Relaño - Physical review letters, 2023 - APS
We present a theory for the two kinds of dynamical quantum phase transitions, termed DPT-I
and DPT-II, based on a minimal set of symmetry assumptions. In the special case of …

Quantum heat engine with long-range advantages

A Solfanelli, G Giachetti, M Campisi, S Ruffo… - New Journal of …, 2023 - iopscience.iop.org
Long-range interacting quantum devices provides a promising route for quantum technology
applications. Here, the presence of long-range interactions is shown to enhance the …

Fractal nature of high-order time crystal phases

G Giachetti, A Solfanelli, L Correale, N Defenu - Physical Review B, 2023 - APS
Discrete Floquet time crystals (DFTCs) are characterized by the spontaneous breaking of the
discrete time-translational invariance characteristic of Floquet-driven systems. In analogy …

Finite-temperature dynamical quantum phase transition in a non-Hermitian system

D Mondal, T Nag - Physical Review B, 2023 - APS
We investigate the interplay between non-Hermiticity and finite temperature in the context of
a mixed-state dynamical quantum phase transition (MSDQPT). We consider ap-wave …

Dynamical phase transition and scaling in the chiral clock Potts chain

XJ Yu - Physical Review A, 2023 - APS
Based on time-dependent variational-principle algorithms, we investigate the dynamical
critical behavior of quantum three-state Potts chains with chiral interactions. Using the …

Dynamical quantum phase transitions in spin- quantum link models

M Van Damme, TV Zache, D Banerjee, P Hauke… - Physical Review B, 2022 - APS
Dynamical quantum phase transitions (DQPTs) are a powerful concept of probing far-from-
equilibrium criticality in quantum many-body systems. With the strong ongoing experimental …