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Título: | A generalized Weyl structure with arbitrary non-metricity |
Autor: | Delhom i Latorre, A. CSIC ORCID; Lobo, I.P.; Olmo, Gonzalo J. CSIC ORCID; Romero, C. | Fecha de publicación: | oct-2019 | Editor: | Springer Nature | Citación: | European Physical Journal C 79 (10): 878 (2019) | Resumen: | A Weyl structure is usually defined by an equivalence class of pairs (g, ω) related by Weyl transformations, which preserve the relation ∇ g= ω⊗ g, where g and ω denote the metric tensor and a 1-form field. An equivalent way of defining such a structure is as an equivalence class of conformally related metrics with a unique affine connection Γ , which is invariant under Weyl transformations. In a standard Weyl structure, this unique connection is assumed to be torsion-free and have vectorial non-metricity. This second view allows us to present two different generalizations of standard Weyl structures. The first one relies on conformal symmetry while allowing for a general non-metricity tensor, and the other comes from extending the symmetry to arbitrary (disformal) transformations of the metric. | Versión del editor: | http://dx.doi.org/10.1140/epjc/s10052-019-7394-z | URI: | http://hdl.handle.net/10261/207660 | DOI: | 10.1140/epjc/s10052-019-7394-z | Identificadores: | doi: 10.1140/epjc/s10052-019-7394-z issn: 1434-6052 |
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