Dynamical quantum phase transitions: a review

M Heyl - Reports on Progress in Physics, 2018 - iopscience.iop.org
Quantum theory provides an extensive framework for the description of the equilibrium
properties of quantum matter. Yet experiments in quantum simulators have now opened up …

[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 …

Dynamical quantum phase transitions in spin chains with long-range interactions: Merging different concepts of nonequilibrium criticality

B Žunkovič, M Heyl, M Knap, A Silva - Physical review letters, 2018 - APS
We theoretically study the dynamics of a transverse-field Ising chain with power-law
decaying interactions characterized by an exponent α, which can be experimentally realized …

Probing dynamical phase transitions with a superconducting quantum simulator

K Xu, ZH Sun, W Liu, YR Zhang, H Li, H Dong… - Science …, 2020 - science.org
Nonequilibrium quantum many-body systems, which are difficult to study via classical
computation, have attracted wide interest. Quantum simulation can provide insights into …

Experimental observation of equilibrium and dynamical quantum phase transitions via out-of-time-ordered correlators

X Nie, BB Wei, X Chen, Z Zhang, X Zhao, C Qiu… - Physical Review Letters, 2020 - APS
The out-of-time-ordered correlators (OTOC), a fundamental concept for quantifying quantum
information scrambling, has recently been suggested to be an order parameter to …

Confined quasiparticle dynamics in long-range interacting quantum spin chains

F Liu, R Lundgren, P Titum, G Pagano, J Zhang… - Physical review …, 2019 - APS
We study the quasiparticle excitation and quench dynamics of the one-dimensional
transverse-field Ising model with power-law (1/r α) interactions. We find that long-range …

Dynamical quantum phase transitions in non-Hermitian lattices

L Zhou, Q Wang, H Wang, J Gong - Physical Review A, 2018 - APS
In closed quantum systems, dynamical phase transitions are identified by the nonanalytic
behavior of the return probability as a function of time. In this work, we study the nonunitary …

Quench dynamics and zero-energy modes: The case of the Creutz model

R Jafari, H Johannesson, A Langari… - Physical Review B, 2019 - APS
In most lattice models, the closing of a band gap typically occurs at high-symmetry points in
the Brillouin zone. Differently, in the Creutz model—describing a system of spinless fermions …

Dynamical quantum phase transitions: A geometric picture

J Lang, B Frank, JC Halimeh - Physical review letters, 2018 - APS
The Loschmidt echo is a purely quantum-mechanical quantity whose determination for large
quantum many-body systems requires an exceptionally precise knowledge of all eigenstates …

Concurrence of dynamical phase transitions at finite temperature in the fully connected transverse-field Ising model

J Lang, B Frank, JC Halimeh - Physical Review B, 2018 - APS
We construct the finite-temperature dynamical phase diagram of the fully connected
transverse-field Ising model from the vantage point of two disparate concepts of dynamical …