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- Title
A geometric view on local Lorentz transformations in teleparallel gravity.
- Abstract
Local Lorentz transformations play an important role in teleparallel gravity theories, in which a tetrad is conventionally employed as a fundamental field variable describing the gravitational field. It is commonly understood that modifications of general relativity in the teleparallel framework break a certain notion of local Lorentz invariance, which is present in the pure tetrad formulation of such theories, while another notion present in the covariant formulation is preserved. We illuminate these different notions from a geometric perspective, and distinguish them from what is commonly understood as breaking of local Lorentz invariance in the context of gravity phenomenology. Based on physical arguments, we present a geometric interpretation of the dynamical fields in teleparallel gravity, which unifies and refines the conventional approaches.
- Subjects
LORENTZ transformations; LORENTZ invariance; GRAVITATIONAL fields; GRAVITY; DIFFERENTIAL geometry
- Publication
International Journal of Geometric Methods in Modern Physics, 2022, Vol 19, p1
- ISSN
0219-8878
- Publication type
Article
- DOI
10.1142/S0219887822400011