English

Chiral Anomaly and CPT invariance in an implicit momentum space regularization framework

High Energy Physics - Theory 2014-11-18 v2

Abstract

This is the second in a series of two contributions in which we set out to establish a novel momentum space framework to treat field theoretical infinities in perturbative calculations when parity-violating objects occur. Since no analytic continuation on the space-time dimension is effected, this framework can be particularly useful to treat dimension-specific theories. Moreover arbitrary local terms stemming from the underlying infinities of the model can be properly parametrized. We (re)analyse the undeterminacy of the radiatively generated CPT violating Chern-Simons term within an extended version of QED4QED_4 and calculate the Adler-Bardeen-Bell-Jackiw triangle anomaly to show that our framework is consistent and general to handle the subtleties involved when a radiative corretion is finite.

Keywords

Cite

@article{arxiv.hep-th/0102108,
  title  = {Chiral Anomaly and CPT invariance in an implicit momentum space regularization framework},
  author = {A. P. Baeta Scarpelli and M. Sampaio and M. C. Nemes and B. Hiller},
  journal= {arXiv preprint arXiv:hep-th/0102108},
  year   = {2014}
}

Comments

16 pages, LaTeX, version to appear in PRD

R2 v1 2026-07-22T15:02:37.860Z