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Paper detail

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

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.

preprint2022arXivOpen access
A. P. Baêta ScarpelliJ. C. C. FelipeL. C. T. BritoA. Yu. Petrov
hep-th
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A. P. Baêta ScarpelliJ. C. C. FelipeL. C. T. BritoA. Yu. Petrov

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