We quantize a generalized version of the Schwinger model, where the two chiral sectors couples with different strengths to the U(1) gauge field. Starting from a theory which includes a generalized Wess-Zumino term, we obtain the equal time commutation relation for physical fields, both the singular and non-singular cases are considered. The photon propagators are also computed in their gauge dependent and invariant versions.
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Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
Forte, Giuseppe
Cecconi, Fabio
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UOS Sapienza, CNR, ISC, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
Cecconi, Fabio
Vulpiani, Angelo
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Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
UOS Sapienza, CNR, ISC, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy