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Four-dimensional topological interpretation of the U(1) anomaly

✍ Scribed by Karanikas, A. I.; Ktorides, C. N.


Book ID
118163925
Publisher
The American Physical Society
Year
1997
Tongue
English
Weight
112 KB
Volume
55
Category
Article
ISSN
1550-7998

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✍ Denis Perrot πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 129 KB

We consider the mixed gravitational Yang-Mills anomaly as the coupling between the K-theory and K-homology of a C \* -algebra crossed product. The index theorem of Connes-Moscovici allows to compute the Chern character of the K-cycle by local formulae involving connections and curvatures. It gives a