One-loop calculations in CPT-even Lorentz-breaking scalar QED-Reference-Cited by-同舟云学术

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

Published:2022-05-30 Issue:16 Volume:37 Page:
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

Scarpelli A. P. Baêta¹,Felipe J. C. C.²,Brito L. C. T.³,Petrov A. Yu.⁴

Affiliation:

1. Centro Federal de Educação Tecnológica – MG, Avenida Amazonas, 7675 – 30510-000 – Nova Gameleira – Belo Horizonte MG, Brazil

2. Instituto de Engenharia, Ciência e Tecnologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri Avenida Um, 4050 – 39447-790 – Cidade Universitária – Janaúba MG, Brazil

3. Departamento de Física, Universidade Federal de Lavras, Caixa Postal 3037, 37200-000, Lavras MG, Brasil

4. Departamento de Física, Universidade Federal da Paraíba, Caixa Postal 5008, 58051-970, João Pessoa, Paraíba, Brazil

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.

Funder

CNPq

Publisher

World Scientific Pub Co Pte Ltd

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732322501000

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