Prominent quantum many-body scars in a truncated Schwinger model

JY Desaules, A Hudomal, D Banerjee, A Sen, Z Papić… - Physical Review B, 2023 - APS
The high level of control and precision achievable in current synthetic quantum matter
setups has enabled first attempts at quantum-simulating various intriguing phenomena in …

Realistic scheme for quantum simulation of lattice gauge theories with dynamical matter in (2 + 1)D

L Homeier, A Bohrdt, S Linsel, E Demler… - Communications …, 2023 - nature.com
Gauge fields coupled to dynamical matter are ubiquitous in many disciplines of physics,
ranging from particle to condensed matter physics, but their implementation in large-scale …

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 …

String-net formulation of Hamiltonian lattice Yang-Mills theories and quantum many-body scars in a nonabelian gauge theory

T Hayata, Y Hidaka - Journal of High Energy Physics, 2023 - Springer
A bstract We study the Hamiltonian lattice Yang-Mills theory based on spin networks that
provide a useful basis to represent the physical states satisfying the Gauss law constraints …

Scars from protected zero modes and beyond in quantum link and quantum dimer models

S Biswas, D Banerjee, A Sen - SciPost Physics, 2022 - scipost.org
We demonstrate the presence of anomalous high-energy eigenstates, or many-body scars,
in $ U (1) $ quantum link and quantum dimer models on square and rectangular lattices. In …

Semiclassical roots of universality in many-body quantum chaos

K Richter, JD Urbina, S Tomsovic - Journal of Physics A …, 2022 - iopscience.iop.org
Quantum chaos of many-body (MB) systems has been swiftly developing into a vibrant
research area at the interface between various disciplines, ranging from statistical physics to …

Enhancing disorder-free localization through dynamically emergent local symmetries

JC Halimeh, L Homeier, H Zhao, A Bohrdt, F Grusdt… - PRX Quantum, 2022 - APS
Disorder-free localization is a recently discovered phenomenon of nonergodicity that can
emerge in quantum many-body systems hosting gauge symmetries when the initial state is …

Many-body flatband localization

C Danieli, A Andreanov, S Flach - Physical Review B, 2020 - APS
We generate translationally invariant systems exhibiting many-body localization from all-
bands-flat single-particle lattice Hamiltonians dressed with suitable short-range many-body …

Hilbert space shattering and dynamical freezing in the quantum Ising model

O Hart, R Nandkishore - Physical Review B, 2022 - APS
We discuss quantum dynamics in the transverse field Ising model in two spatial dimensions.
We show that, up to a prethermal timescale, which we quantify, the Hilbert space “shatters” …

Robust quantum many-body scars in lattice gauge theories

JC Halimeh, L Barbiero, P Hauke, F Grusdt… - Quantum, 2023 - quantum-journal.org
Quantum many-body scarring is a paradigm of weak ergodicity breaking arising due to the
presence of special nonthermal many-body eigenstates that possess low entanglement …