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https://hdl.handle.net/2142/23873
Description
Title
Quantization of anomalous gauge theories
Author(s)
Wotzasek, Clovis Jose
Issue Date
1990
Doctoral Committee Chair(s)
Kogut, John B.
Department of Study
Physics
Discipline
Physics
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Anomalous Gauge Theories (AGT)
functional integration
canonical Hamiltonian approach
Wess-Zumino term (WZT)
Language
en
Abstract
"We discuss the quantization of Anomalous Gauge Theories (AGT) both in the context
of functional integration and canonical Hamiltonian approach. The Wess-Zumino term
(WZT), which repairs gauge symmetry in AGT is discussed and its derivation is presented
in the canonical approach as a consequence of the restoration of the frrst-class nature of the
gauge constraints. We applied this technique in a few quantut;n field theories like the chiral
Schwinger model, chiral bosons and massive electrodynamics. This construction of the
WZT is intended to contrast with the one derived by functional methods with the use of the
Faddeev-Popov trick. To shed some light into the physical significance of the WZ field we
discuss a simple quantum mechanical model, the ""amputated planar rotor"". In this context
the WZ field present itself as a topological charge for the model. Possible generalizations
are discussed."
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