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| DOI | 10.1016/J.AOP.2018.10.012 | ||||
| Año | 2018 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
In this paper, we use the Gauss-Bonnet theorem to obtain the deflection angle by the photons coupled to Weyl tensor in a Schwarzschild black hole and Schwarzschild-like black hole in bumblebee gravity in the weak limit approximation. To do so, we first calculate the corresponding optical metrics, and then we find the Gaussian curvature to use in Gauss-Bonnet theorem, which is first done by Gibbons and Werner. Hence, in the leading order terms we show the deflection angle, that is affected by the coupling between the photon and Weyl tensor, and there is a deviation from the deflecting angle as compared with Schwarzschild black hole with Schwarzschild-like black hole in bumblebee gravity. Moreover, we investigate the deflection angle by Einstein-Rosen type wormhole in Weyl gravity and in bumblebee gravity. Interestingly, the deflection angle by Einstein-Rosen type wormhole in bumblebee gravity is found as larger than the deflection angle by Einstein-Rosen type wormhole in Weyl gravity. (C) 2018 Elsevier Inc. All rights reserved.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Ovgun, Ali | - |
Pontificia Universidad Católica de Valparaíso - Chile
Eastern Mediterranean Univ - Turquía Doğu Akdeniz Üniversitesi - Turquía Eastern Mediterranean University - Turquía |
| 2 | Jusufi, Kimet | Hombre |
State Univ Tetovo - Macedonia
Ss Cyril & Methodius Univ - Macedonia State University of Tetovo - Macedonia SS Cyril and Methodius University - Macedonia |
| 3 | Sakalli, Izzet | Hombre |
Eastern Mediterranean Univ - Turquía
Doğu Akdeniz Üniversitesi - Turquía Eastern Mediterranean University - Turquía |
| Fuente |
|---|
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| Fondo Nacional de Desarrollo CientÃfico y Tecnológico |
| Comision Nacional de Ciencias y Tecnologia of Chile (CONICYT) through FONDECYT |
| Comisión Nacional de Ciencias y Tecnología of Chile |
| Agradecimiento |
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| We wish to thank the Editor and anonymous Referee for their valuable comments and suggestions. This work is supported by Comision Nacional de Ciencias y Tecnologia of Chile (CONICYT) through FONDECYT Grant No. 3170035 (A.O.). |
| We wish to thank the Editor and anonymous Referee for their valuable comments and suggestions. This work is supported by Comisión Nacional de Ciencias y Tecnología of Chile (CONICYT) through FONDECYT Grant No. 3170035 (A. Ö.). |