Gravitational corrections to the scattering of charged pions (2013)
- Authors:
- Autor USP: SILVA, ADILSON JOSE DA - IF
- Unidade: IF
- Subjects: TEORIA DE CAMPOS; ELETRODINÂMICA QUÂNTICA
- Language: Inglês
- Abstract: In this letter we discuss the role of gravitational contributions to the running of the electric charge through the evaluation of the scattering amplitude of charged pions in scalar electrodynamics. Computing the quadratic divergent part of the S-matrix amplitude for two distinct scattering processes, we show that a single de nition of the running of the electric charge, that render it asymptotically free, can be made for both processes. Our result agrees with earlier ones, based on the calculation of the e ective action, which suggest that the running of gauge coupling constants are driven in the direction of asymptotic freedom, when quantum gravitational corrections are taken into account.
- Imprenta:
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ABNT
CHARNESKI, B et al. Gravitational corrections to the scattering of charged pions. . São Paulo: Instituto de Física, Universidade de São Paulo. Disponível em: http://lanl.arxiv.org/pdf/1306.4865v1.pdf. Acesso em: 11 mar. 2026. , 2013 -
APA
Charneski, B., Menezes, R., Petrov, A. Y., & Silva, A. J. da. (2013). Gravitational corrections to the scattering of charged pions. São Paulo: Instituto de Física, Universidade de São Paulo. Recuperado de http://lanl.arxiv.org/pdf/1306.4865v1.pdf -
NLM
Charneski B, Menezes R, Petrov AY, Silva AJ da. Gravitational corrections to the scattering of charged pions [Internet]. 2013 ;[citado 2026 mar. 11 ] Available from: http://lanl.arxiv.org/pdf/1306.4865v1.pdf -
Vancouver
Charneski B, Menezes R, Petrov AY, Silva AJ da. Gravitational corrections to the scattering of charged pions [Internet]. 2013 ;[citado 2026 mar. 11 ] Available from: http://lanl.arxiv.org/pdf/1306.4865v1.pdf - Two-loop finiteness of self-energies in higher-derivative SUSY theories at three dimensions
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