What question did this study set out to answer?

This review aims to explore the concept of many-body localization (MBL) and the various types of disorder affecting it.

May 17, 2026Acta Physica Polonica B0 citationsOpen Access

Facets of Many-body Localization

KPK. Pawlik MPM. Prodius PFP.R. Nicácio Falcão

Key Points

This review aims to explore the concept of many-body localization (MBL) and the various types of disorder affecting it.
Review of literature on many-body localization and its mechanisms.
Consideration of random and quasiperiodic diagonal disorders and bond disorders.
Discussion on the quantum sun model as a key illustration of MBL.
Many-body localization is confirmed as an effective means of ergodicity breaking.
Different types of disorder, particularly quasiperiodic and bond disorder, significantly impact MBL.
The quantum sun model provides a useful framework for studying MBL properties.

Abstract

Many-body localization (MBL) appears to be a robust example of ergodicity breaking in many-body interacting systems. Here, we review different aspects of MBL, concentrating on various ways the disorder may be introduced into the system studied. In particular, we consider both the random and quasiperiodic diagonal (i.e. , on-site) disorders as well as bond disorder as realized in randomly distributed atoms interacting via long-range interactions. We also review the quantum sun model, which seems to be the ideal, albeit artificial, model exhibiting MBL. Abstract Published by the Jagiellonian University 2026 authors

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