Global Anomalies in chiral gauge theories on the lattice

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dc.creatorBaer, Oliver
dc.creatorCampos, Isabel
dc.date2000-01-21
dc.date2000-04-11
dc.date.accessioned2026-07-07T11:34:34Z
dc.date.available2026-07-07T11:34:34Z
dc.descriptionWe discuss the issue of global anomalies in chiral gauge theories on the lattice. In Luscher's approach, these obstructions make it impossible to define consistently a fermionic measure for the path integral. We show that an SU(2) theory has such a global anomaly if the Weyl fermion is in the fundamental representation. The anomaly in higher representations is also discussed. We finally show that this obstruction is the lattice analogue of the SU(2) anomaly first discovered by Witten.
dc.description22 pages. Some explanations added in section 4.2, typos corrected. Final version to appear in Nucl. Phys. B
dc.identifierhttps://arxiv.org/abs/hep-lat/0001025
dc.identifierhttp://arxiv.org/abs/hep-lat/0001025
dc.identifierNucl.Phys.B581:499-519,2000
dc.identifierdoi:10.1016/S0550-3213(00)00182-6
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/198295
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Theory
dc.titleGlobal Anomalies in chiral gauge theories on the lattice
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