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Non-trivial thick brane realisations with 3-forms

Barros, Bruno J. ; Jiménez, Jose Beltrán

The journal of high energy physics, 2024-02, Vol.2024 (2), p.2-25, Article 2 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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Título:
Non-trivial thick brane realisations with 3-forms
Autor: Barros, Bruno J. ; Jiménez, Jose Beltrán
Assuntos: Asymptotic properties ; Branes ; Classical and Quantum Gravitation ; Classical Theories of Gravity ; Elementary Particles ; Extra Dimensions ; Gravity ; Invariance ; Large Extra Dimensions ; Physics ; Physics and Astronomy ; Quantum Field Theories ; Quantum Field Theory ; Quantum Physics ; Regular Article - Theoretical Physics ; Relativity Theory ; String Theory ; Symmetry ; Translations
É parte de: The journal of high energy physics, 2024-02, Vol.2024 (2), p.2-25, Article 2
Descrição: A bstract We explore the construction of four-dimensional thick branes supported by massless 3-forms in a five-dimensional bulk space. The required residual Poincaré symmetry on the brane is realised as a combination of the bulk symmetries and the internal gauge symmetry of the 3-form. We show the presence of a gradient instability for the perturbations orthogonal to the brane when its profile decays slowly in the asymptotic regions. In particular, we ascertain that the prevailing profiles found in the literature are susceptible to such instabilities. We confirm our results by transitioning to the dual formulation in terms of a shift-symmetric scalar. In this formulation, the residual Poincaré group is trivially realised without internal symmetries, and there is a diagonal translational invariance in the fifth dimension reminiscent of the invariance under translations orthogonal to the brane of the dual 3-form. We demonstrate the extension of our results to the cases of de Sitter and Anti de Sitter branes where the gradient instabilities of asymptotically slowly decaying branes persist. Finally, we briefly comment on the construction of thick branes with massive 3-forms and their 1-form duals.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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Non-trivial thick brane realisations with 3-forms

Barros, Bruno J. ; Jiménez, Jose Beltrán

Berlin/Heidelberg: Springer Berlin Heidelberg

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