String-Net Construction of RCFT Correlators
Language: English
Published by Springer, 2023
- Softcover
- New
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
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Druck auf Anfrage Neuware - Printed after ordering - This book studies using string-net models to accomplish a direct, purely two-dimensional, approach to correlators of two-dimensional rational conformal field theories. The authors obtain concise geometric expressions for the objects describing bulk and boundary fields in terms of idempotents in the cylinder category of the underlying modular fusion category, comprising more general classes of fields than is standard in the literature. Combining these idempotents with Frobenius graphs on the world sheet yields string nets that form a consistent system of correlators, i.e. a system of invariants under appropriate mapping class groups that are compatible with factorization. The authors extract operator products of field objects from specific correlators; the resulting operator products are natural algebraic expressions that make sense beyond semisimplicity. They also derive an Eckmann-Hilton relation internal to a braided category, thereby demonstrating the utility of string nets for understanding algebra in braided tensor categories. Finally, they introduce the notion of a universal correlator. This systematizes the treatment of situations in which different world sheets have the same correlator and allows for the definition of a more comprehensive mapping class group. …
Seller Inventory # 9783031146817
- Title
- String-Net Construction of RCFT Correlators
- Author
- Jürgen Fuchs
- Publisher
- Springer
- Publication year
- 2023
- Condition
- Neu
- Binding
- Taschenbuch
- Language
- English
- ISBN 10
- 3031146816
- ISBN 13
- 9783031146817
- Item weight
- 243 grams
- Dimensions
- 235x155x8 mm
"Synopsis" may belong to another edition of this title.
About the Author
Jürgen Fuchs has received his PhD in 1985 at the University of Heidelberg. Since 2000 he is a professor of theoretical physics at Karlstad University, Sweden. He has been a visiting scientist at ETH Zürich, Paris 6 and 7, the Erwin-Schrödinger Institute, the Australian National University and the University of Alberta.
Christoph Schweigert has received his PhD from the University of Amsterdam in 1995. Since 2003 he is a professor of mathematics at Hamburg University. He was an invited speaker at the ICM 2006 and the ECM 2008.
Yang Yang has received his MSc at the University of Hamburg in 2019. He is a PhD student at the University of Hamburg where he expects to receive his PhD in 2022.
"About the title" may belong to another edition of this title.
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