Role of ambiguities and gauge invariance in the calculation of the radiatively induced Chern-Simons shift in extended QED

DOI10.1016/S0550-3213(01)00304-2zbMath0971.81185arXivhep-th/0012181OpenAlexW3100023474WikidataQ126401019 ScholiaQ126401019MaRDI QIDQ5942540

O. A. Battistel, G. Dallabona

Publication date: 29 August 2001

Published in: Nuclear Physics. B (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/hep-th/0012181

zbMATH Keywords

CPT violationsLorentz violationsvacuum polarization tensor

Mathematics Subject Classification ID

Electromagnetic interaction; quantum electrodynamics (81V10)

Related Items (10)

Residual gauge invariance in a massive Lorentz-violating extension of QED ⋮ Effective electromagnetic actions for Lorentz violating theories exhibiting the axial anomaly ⋮ ANOMALIES IN WARD IDENTITIES FOR THREE-POINT FUNCTIONS REVISITED ⋮ Perturbative calculations in space–time having extra dimensions: The 6D single axial box anomaly ⋮ NONRELATIVISTIC ELECTRON–ELECTRON INTERACTION IN A MAXWELL–CHERN–SIMONS–PROCA MODEL ENDOWED WITH A TIMELIKE LORENTZ-VIOLATING BACKGROUND ⋮ Stationary solutions for the parity-even sector of the CPT-even and Lorentz-covariance-violating term of the standard model extension ⋮ Gauge invariance and the CPT and Lorentz violating induced Chern-Simons-like term in extended QED ⋮ INFLUENCE OF LORENTZ- AND CPT-VIOLATING TERMS ON THE DIRAC EQUATION ⋮ AMBIGUITIES AND SYMMETRY RELATIONS IN FIVE-DIMENSIONAL PERTURBATIVE CALCULATIONS: THE EXPLICIT EVALUATION OF THE QED₅ VACUUM POLARIZATION TENSOR ⋮ Consistency and universality in odd and even dimensional space–time QFT perturbative calculations

Cites Work

• Regularisation: many recipes, but a unique principle: Ward identities and normalisation conditions. The case of CPT violation in QED
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