Anomalies, Chern-Simons Terms and Chiral Delocalization in Extra Dimensions

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dc.creatorHill, Christopher T.
dc.date2006-01-20
dc.date2006-03-02
dc.date.accessioned2026-07-07T11:27:22Z
dc.date.available2026-07-07T11:27:22Z
dc.descriptionGauge invariant topological interactions, such as the D=5 Chern-Simons terms, are required in models in extra dimensions that split anomaly free representations. The Chern-Simons term is necessary to maintain the overall anomaly cancellations of the theory, but it can have significant, observable, physical effects. The CS-term locks the KK-mode parity to the parity of space-time, leaving a single parity symmetry. It leads to new processes amongst KK-modes, eg, the decay of a KK-mode to a 2-body final state of KK-modes. A formalism for the effective interaction amongst KK-modes is constructed, and the decay of a KK-mode to KK-mode plus zero mode is analyzed as an example. We elaborate the general KK-mode current and anomaly structure of these theories. This includes a detailed study of the triangle diagrams and the associated ``consistent anomalies'' for Weyl spinors on the boundary branes. We also develop the non-abelian formalism. We illustrate this by showing in a simple way how a D=5 Yang-Mills ``quark flavor'' symmetry leads to the D=4 chiral lagrangian of mesons and the quantized Wess-Zumino-Witten term.
dc.description51 pages, 3 figures; Corrected typos, amplified discussion
dc.identifierhttps://arxiv.org/abs/hep-th/0601154
dc.identifierhttp://arxiv.org/abs/hep-th/0601154
dc.identifierPhys.Rev.D73:085001,2006
dc.identifierdoi:10.1103/PhysRevD.73.085001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/196128
dc.subjectHigh Energy Physics - Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.titleAnomalies, Chern-Simons Terms and Chiral Delocalization in Extra Dimensions
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