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 …

Scar states in deconfined lattice gauge theories

AS Aramthottil, U Bhattacharya, D González-Cuadra… - Physical Review B, 2022 - APS
The weak ergodicity breaking induced by quantum many-body scars (QMBSs) represents an
intriguing concept that has received great attention in recent years due to its relation to …

Emergent symmetries in prethermal phases of periodically driven quantum systems

T Banerjee, K Sengupta - Journal of Physics: Condensed Matter, 2025 - iopscience.iop.org
Periodically driven closed quantum systems are expected to eventually heat up to infinite
temperature; reaching a steady state described by a circular orthogonal ensemble …

Emergence of Hilbert space fragmentation in Ising models with a weak transverse field

A Yoshinaga, H Hakoshima, T Imoto, Y Matsuzaki… - Physical Review Letters, 2022 - APS
The transverse-field Ising model is one of the fundamental models in quantum many-body
systems, yet a full understanding of its dynamics remains elusive in higher than one …

Theory of robust quantum many-body scars in long-range interacting systems

A Lerose, T Parolini, R Fazio, DA Abanin, S Pappalardi - Physical Review X, 2025 - APS
Quantum many-body scars (QMBS) are exceptional energy eigenstates of quantum many-
body systems associated with violations of thermalization for special nonequilibrium initial …

Quantum information scrambling in quantum many-body scarred systems

D Yuan, SY Zhang, Y Wang, LM Duan, DL Deng - Physical Review Research, 2022 - APS
Quantum many-body scarred systems host special nonthermal eigenstates that support
periodic revival dynamics and weakly break the ergodicity. Here, we study the quantum …

Unsupervised detection of decoupled subspaces: many-body scars and beyond

T Szołdra, P Sierant, M Lewenstein, J Zakrzewski - Physical Review B, 2022 - APS
Highly excited eigenstates of quantum many-body systems are typically featureless thermal
states. Some systems, however, possess a small number of special, low-entanglement …

Hypergrid subgraphs and the origin of scarred quantum walks in many-body Hilbert space

JY Desaules, K Bull, A Daniel, Z Papić - Physical Review B, 2022 - APS
Following the recent observation of wave function revivals in large Rydberg atom quantum
simulators, much effort has focused on understanding the emergence of many-body scars in …

Number of zero-energy eigenstates in the PXP model

W Buijsman - Physical Review B, 2022 - APS
The PXP model is paradigmatic in the field of quantum many-body scars. This model has a
number of zero-energy eigenstates that is exponentially large in system size. Lower bounds …

Weak ergodicity breaking transition in a randomly constrained model

A Deger, A Lazarides - Physical Review B, 2024 - APS
Experiments in Rydberg atoms have recently found unusually slow decay from a small
number of special initial states. We investigate the robustness of such long-lived states (LLS) …