TL;DR
This paper analyzes how certain field theories can restore broken symmetries after renormalization and discusses cases involving anomalies, providing insights into symmetry preservation in quantum field theory.
Contribution
It offers a general framework for understanding the conditions under which broken symmetries are recovered post-renormalization, including anomalous cases.
Findings
Conditions for symmetry recovery at the renormalized level
Analysis of anomalous symmetry breaking cases
Guidelines for maintaining symmetries in regularized theories
Abstract
We present a general analysis of the field theoretical properties which guarantee the recovery, at the renormalized level, of symmetries broken by regularization. We also discuss the anomalous case.
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