Quantum Many-Body Scars and Weak Breaking of Ergodicity
Abstract
Recent discovery of persistent revivals in quantum simulators based on Rydberg atoms have pointed to the existence of a new type of dynamical behavior that challenged the conventional paradigms of integrability and thermalization. This novel collective effect has been named quantum many-body scars by analogy with weak ergodicity breaking of a single particle inside a stadium billiard. In this overview, we provide a pedagogical introduction to quantum many-body scars and highlight the newly emerged connections with the semiclassical quantization of many-body systems. We discuss the relation between scars and more general routes towards weak violations of ergodicity due to "embedded" algebras and non-thermal eigenstates, and highlight possible applications of scars in quantum technology.
Keywords
Cite
@article{arxiv.2011.09486,
title = {Quantum Many-Body Scars and Weak Breaking of Ergodicity},
author = {Maksym Serbyn and Dmitry A. Abanin and Zlatko Papić},
journal= {arXiv preprint arXiv:2011.09486},
year = {2021}
}
Comments
Review article, comments welcome