Anomalous dimensions and ghost decoupling in a perturbative approach to the generalized chiral Schwinger model

Journal Article · Thu Dec 15 00:00:00 EST 1994 · Physical Review, D (Particles Fields); (United States)

DOI:https://doi.org/10.1103/PhysRevD.50.7638· OSTI ID:7058527

Bassetto, A ^[1]; Griguolo, L ^[2]

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1. Dipartimento di Fisica G. Galilei,'' Via Marzolo 8-35131 Padova, Italy and INFN, Sezione di Padova, Padova (Italy)
2. SISSA, Via Beirut 2-34100 Trieste, Italy and INFN, Sezione di Trieste, Trieste (Italy)

A generalized chiral Schwinger model is studied by means of perturbative techniques. Explicit expressions are obtained, both for bosonic and fermionic propagators, and compared to the ones derived by means of functional techniques. In particular a consistent recipe is proposed to describe the ambiguity occurring in the regularization of the fermionic determinant. The role of the gauge-fixing term, which is needed to develop perturbation theory, and the behavior of the spectrum as a function of the parameters are clarified together with the ultraviolet and infrared properties of the model.

• OSTI ID: 7058527
• Journal Information: Physical Review, D (Particles Fields); (United States), Vol. 50:12; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
UNIFIED GAUGE MODELS
CHIRAL SYMMETRY
PERTURBATION THEORY
BOSONS
FERMIONS
FUNCTIONALS
PROPAGATOR
SPECTRA
TWO-DIMENSIONAL CALCULATIONS
FUNCTIONS
MATHEMATICAL MODELS
PARTICLE MODELS
SYMMETRY
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