Field-enlarging transformations and chiral theories

TL;DR

The paper introduces a field-enlarging transformation in chiral electrodynamics that adds a gauge symmetry, clarifies model differences, and addresses issues of extra degrees of freedom affecting quantization.

Contribution

It presents a novel field-enlarging transformation that introduces a new gauge symmetry, enabling comparison of models and resolving quantization ambiguities.

Findings

Transformation adds a gauge symmetry to chiral electrodynamics

Clarifies differences among existing models

Explains issues related to extra degrees of freedom

Abstract

A field-enlarging transformation in the chiral electrodynamics is performed. This introduces an additional gauge symmetry to the model that is unitary and anomaly-free and allows for comparison of different models discussed in the literature. The problem of superfluous degrees of freedom and their influence on quantization is discussed. Several "mysteries" are explained from this point of view.