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YouTube

Many-body Localization and Quantum Thermalization - From ETH to MBL

Abrikosov Center for Theoretical Physics (ACTP) via YouTube

Overview

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Explore fundamental concepts of quantum thermalization and its breakdown in a 40-minute physics lecture focusing on many-body localization (MBL) and eigenstate thermalization hypothesis (ETH). Delve into the thermalization processes of isolated interacting systems, examining ergodicity in quantum systems and the conditions for its breakdown. Learn about the phenomenological aspects of MBL, including emergent integrability in real space and the disruption of equipartition across Hilbert space degrees of freedom. Progress through topics ranging from classical system thermalization to quantum systems, understanding how ergodicity can be broken in quantum contexts. Delivered at the MIPT Winter PhysTech School in Armenia, this advanced physics lecture provides a comprehensive foundation in quantum thermalization theory and its practical implications.

Syllabus

Intro
Outline
Thermalization in isolated classical systems
Ergodicity in quantum systems
Ergodicity or ergodicity breaking?
How to break quantum ergodicity?
Many-body Quantum Systems
Equipartition over Hilbert space
Eigenstate thermalization hypothesis
Many-body localization as fundamental ergodicity breakdown

Taught by

Abrikosov Center for Theoretical Physics (ACTP)

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