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Title: | Testing the violation of the equivalence principle in the electromagnetic sector and its consequences in f(T) gravity |
Authors: | Said, Jackson Mifsud, Jurgen Parkinson, David Saridakis, Emmanuel N. Sultana, Joseph Zarb Adami, Kristian |
Keywords: | General relativity (Physics) Electromagnetic fields Scalar field theory Lagrange equations Lorentz force |
Issue Date: | 2020 |
Publisher: | IOP Publishing Ltd and Sissa Medialab |
Citation: | Said, J. L., Mifsud, J., Parkinson, D., Saridakis, E. N., Sultana, J., & Zarb Adami, K. (2020). Testing the violation of the equivalence principle in the electromagnetic sector and its consequences in f (T) gravity. Journal of Cosmology and Astroparticle Physics, 2020(11), 047. |
Abstract: | A violation of the distance-duality relation is directly linked with a temporal variation of the electromagnetic fine-structure constant. We consider a number of well-studied f(T) gravity models and we revise the theoretical prediction of their corresponding induced violation of the distance-duality relationship. We further extract constraints on the involved model parameters through fine-structure constant variation data, alongside with supernovae data, and Hubble parameter measurements. Moreover, we constrain the evolution of the effective f(T) gravitational constant. Finally, we compare with revised constraints on the phenomenological parametrisations of the violation of the equivalence principle in the electromagnetic sector. |
URI: | https://www.um.edu.mt/library/oar/handle/123456789/89394 |
Appears in Collections: | Scholarly Works - InsSSA |
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Testing_the_violation_of_the_equivalence_principle_in_the_electromagnetic_sector_and _its_consequences_in_f_T_gravity_2020.pdf Restricted Access | 5.58 MB | Adobe PDF | View/Open Request a copy |
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