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High Energy Physics - Theory

arXiv:2111.14257 (hep-th)
[Submitted on 28 Nov 2021 (v1), last revised 25 May 2022 (this version, v2)]

Title:One-loop calculations in CPT-even Lorentz-breaking scalar QED

Authors:A. P. Baêta Scarpelli, J. C. C. Felipe, L. C. T. Brito, A. Yu. Petrov
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Abstract:In this paper, we study a CPT-even Lorentz-breaking extension of the scalar QED. For this theory, we calculate the one-loop lower-order contributions in the Lorentz-violating parameters to the two-point functions of scalar and gauge fields. We found that the two background tensors, coming from the two sectors (scalar and gauge) are mixed in the one-loop corrections both in finite and divergent parts. This shows that these two Lorentz-breaking terms cannot be studied in an isolated form. Besides, the results in the gauge sector are confirmed to be transversal.
Comments: 13 pages, 2 figures, accepted to Mod. Phys. Lett. A
Subjects: High Energy Physics - Theory (hep-th)
Cite as: arXiv:2111.14257 [hep-th]
  (or arXiv:2111.14257v2 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.2111.14257
Journal reference: Modern Physics Letters A, Vol. 37, No. 16, 2250100 (2022)
Related DOI: https://doi.org/10.1142/S0217732322501000

Submission history

From: A. Yu. Petrov [view email]
[v1] Sun, 28 Nov 2021 22:50:33 UTC (30 KB)
[v2] Wed, 25 May 2022 12:30:35 UTC (33 KB)
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