Masataka Koide

Non-invertible Symmetry in 4-Dimensional Z2 Lattice Gauge Theory (eBook, PDF)

• Format: PDF

Produktbeschreibung

This book provides a method for concretely constructing defects that represent non-invertible symmetries in four-dimensional lattice gauge theory. In terms of generalized symmetry, a symmetry is considered to be equivalent to a topological operator whose value does not change even if the shape is topologically transformed. Even for models that lack symmetry in the traditional sense and are difficult to analyze, it is possible to analyze them as long as a generalized symmetry exists. Therefore, generalized symmetry is important for the non-perturbative analysis of quantum field theory. Some topological operators have no group structure, and the corresponding symmetries are called non-invertible symmetries. Concrete examples of non-invertible symmetries in higher-dimensional theories were discovered around 2020, and they have been actively studied as a field of generalized symmetries since then. This book explains the non-invertible symmetry represented by the Kramers-Wannier-Wegner duality, which was found firstly in a four-dimensional theory, represented by three-dimensional defects. This book is intended for those with preliminary knowledge of quantum field theory and statistical mechanics.

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Produktdetails

• Verlag: Springer Nature Singapore
• Seitenzahl: 88
• Erscheinungstermin: 18. April 2025
• Englisch
• ISBN-13: 9789819622726
• Artikelnr.: 73910325

Autorenporträt

Masataka Koide received his Bachelor from the Faculty of Science at Kobe University in 2019 and his Ph.D. in Physics from Osaka University in 2024. His work is concerned with theoretical particle physics, in particular, conducted research on generalized symmetries and contructed non-invertible symmetry defects arising from Kramers-Wannier-Wegner duality in four-dimensional lattice gauge theory. He received the 29th Outstanding Paper Award from the Physical Society of Japan in 2024.

Inhaltsangabe

.- Chapter 1 Introduction.- Chapter 2 Symmetry and Topological defect.- Chapter 3 Ising model and Kramers-Wannier duality.- Chapter 4 KWW defect in 4-dimensional lattice gauge theory.- Chapter 5 Application to g-functions.- Chapter 6 Conclusion and discussion.- Appendix.