Teleparallel gravity: Effects of torsion in 6D braneworlds

Abstract

Braneworld models are interesting theoretical and phenomenological frameworks to search for new physics beyond the standard model of particles and cosmology. In this work, we discuss braneworld models whose gravitational dynamics are governed by teleparallel $f(T)$ gravities. Here, we emphasize a codimension two axisymmetric model, also known as a string-like brane. Likewise, in the 5D domain-walls models, the $f(T)$ gravitational modification leads to a phase transition on the perfect fluid source providing a brane-splitting mechanism. Furthermore, the torsion changes the gravitational perturbations. The torsion produces new potential wells inside the brane core leading to a massless mode more localized around the ring structures. In addition, the torsion keeps a gapless non-localizable and a stable tower of massive modes in the bulk.

15 pages, 11 figures. arXiv admin note: text overlap with arXiv:2006.06891

References in corpus (12)

• Modified teleparallel gravity: inflation without inflaton
• Einstein's Other Gravity and the Acceleration of the Universe
• f(T) gravity mimicking dynamical dark energy. Background and perturbation analysis
• Good and bad tetrads in f(T) gravity
• Degrees of freedom of $f(T)$ gravity
• Fermion localization and resonances on two-field thick branes
• Energy conditions bounds on f(T) gravity
• Localization of Fermions on a String-like Defect
• First Order Formalism for Thick Branes in Modified Teleparallel Gravity
• A Warped Model of Dark Matter
• Gravity localization in a string-cigar braneworld
• Gravitational Kaluza-Klein modes in the String-Cigar Braneworld

Cited by in corpus (2)

• Braneworlds in $f(Q)$ gravity
• Dynamical features of $f(T,B)$ cosmology