Quantum many-body scars and Hilbert space fragmentation: a review of exact results

S Moudgalya, BA Bernevig… - Reports on Progress in …, 2022 - iopscience.iop.org
The discovery of quantum many-body scars (QMBS) both in Rydberg atom simulators and in
the Affleck–Kennedy–Lieb–Tasaki spin-1 chain model, have shown that a weak violation of …

Colloquium: Quantum and classical discrete time crystals

MP Zaletel, M Lukin, C Monroe, C Nayak, F Wilczek… - Reviews of Modern …, 2023 - APS
The spontaneous breaking of time-translation symmetry has led to the discovery of a new
phase of matter: the discrete time crystal. Discrete time crystals exhibit rigid subharmonic …

Quantum many-body scars: A quasiparticle perspective

A Chandran, T Iadecola, V Khemani… - Annual Review of …, 2023 - annualreviews.org
Weakly interacting quasiparticles play a central role in the low-energy description of many
phases of quantum matter. At higher energies, however, quasiparticles cease to be well …

Controlling quantum many-body dynamics in driven Rydberg atom arrays

D Bluvstein, A Omran, H Levine, A Keesling… - Science, 2021 - science.org
The control of nonequilibrium quantum dynamics in many-body systems is challenging
because interactions typically lead to thermalization and a chaotic spreading throughout …

Observation of many-body scarring in a Bose-Hubbard quantum simulator

GX Su, H Sun, A Hudomal, JY Desaules, ZY Zhou… - Physical Review …, 2023 - APS
The ongoing quest for understanding nonequilibrium dynamics of complex quantum
systems underpins the foundation of statistical physics as well as the development of …

Error-mitigated simulation of quantum many-body scars on quantum computers with pulse-level control

IC Chen, B Burdick, Y Yao, PP Orth, T Iadecola - Physical Review Research, 2022 - APS
Quantum many-body scars are an intriguing dynamical regime in which quantum systems
exhibit coherent dynamics and long-range correlations when prepared in certain initial …

Weak ergodicity breaking through the lens of quantum entanglement

Z Papić - Entanglement in Spin Chains: From Theory to Quantum …, 2022 - Springer
Recent studies of interacting systems of quantum spins, ultracold atoms, and correlated
fermions have shed a new light on how isolated many-body systems can avoid rapid …

Group theoretic approach to many-body scar states in fermionic lattice models

K Pakrouski, PN Pallegar, FK Popov, IR Klebanov - Physical Review Research, 2021 - APS
It has been shown [K. Pakrouski et al., Phys. Rev. Lett. 125, 230602 (2020) PRLTAO 0031-
9007 10.1103/PhysRevLett. 125.230602] that three families of highly symmetric states are …