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 …

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 …

Quantum many-body scars and weak breaking of ergodicity

M Serbyn, DA Abanin, Z Papić - Nature Physics, 2021 - nature.com
Thermalization is the inevitable fate of many complex quantum systems, whose dynamics
allow them to fully explore the vast configuration space regardless of the initial state—the …

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 …

-pairing in Hubbard models: From spectrum generating algebras to quantum many-body scars

S Moudgalya, N Regnault, BA Bernevig - Physical Review B, 2020 - APS
We revisit the η-pairing states in Hubbard models and explore their connections to quantum
many-body scars to discover a universal scars mechanism. η-pairing occurs due to an …

Unified structure for exact towers of scar states in the Affleck-Kennedy-Lieb-Tasaki and other models

DK Mark, CJ Lin, OI Motrunich - Physical Review B, 2020 - APS
Quantum many-body scar states are many-body states with finite energy density in non-
integrable models that do not obey the eigenstate thermalization hypothesis. Recent works …

From tunnels to towers: Quantum scars from Lie algebras and -deformed Lie algebras

N O'Dea, F Burnell, A Chandran, V Khemani - Physical Review Research, 2020 - APS
We present a general symmetry-based framework for obtaining many-body Hamiltonians
with scarred eigenstates that do not obey the eigenstate thermalization hypothesis. Our …

Disorder-free localization and many-body quantum scars from magnetic frustration

PA McClarty, M Haque, A Sen, J Richter - Physical Review B, 2020 - APS
The concept of geometrical frustration has led to rich insights into condensed matter physics,
especially as a mechanism to produce exotic low-energy states of matter. Here we show that …

Quantum many-body scars in optical lattices

H Zhao, J Vovrosh, F Mintert, J Knolle - Physical review letters, 2020 - APS
The concept of quantum many-body scars has recently been put forward as a route to
describe weak ergodicity breaking and violation of the eigenstate thermalization hypothesis …