From strong interactions to Dark Matter: the non-perturbative QCD sphaleron rate
Claudio Bonanno
TL;DR
This paper discusses recent advances in understanding the topological aspects of QCD and related theories, focusing on non-perturbative phenomena like sphaleron rates and their implications for dark matter and axion physics.
Contribution
It introduces new algorithmic methods to address topological freezing and explores the non-perturbative sphaleron rate in QCD and similar theories.
Findings
Improved algorithms reduce topological freezing in lattice QCD simulations.
Enhanced understanding of sphaleron rates impacts axion phenomenology.
Topological properties influence dark matter models.
Abstract
Acceptance plenary talk for the 2025 Kenneth G.~Wilson Award for Excellence in Lattice Field Theory: For significant contributions to the understanding of topology in QCD, QCD-like, and large- gauge theories, including algorithmic developments to reduce topological freezing, studies of Dirac spectral properties, and axion phenomenology.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Dark Matter and Cosmic Phenomena · Particle physics theoretical and experimental studies