[HTML][HTML] Thick branes in the scalar–tensor representation of f(RT) gravity

JL Rosa, MA Marques, D Bazeia, FSN Lobo - The European Physical …, 2021 - Springer
Braneworld scenarios consider our observable universe as a brane embedded in a five-
dimensional bulk. In this work, we consider thick braneworld systems in the recently …

[HTML][HTML] Effects of Cuscuton dynamics on braneworld configurations in the scalar–tensor representation of gravity

JL Rosa, D Bazeia, AS Lobão - The European Physical Journal C, 2022 - Springer
In this work we study braneworld configurations in the scalar–tensor representation of
the\(f\left (R, T\right)\) gravity theory in the presence of a Cuscuton term in the source field …

Thick brane in gravity

ARP Moreira, JEG Silva, FCE Lima, CAS Almeida - Physical Review D, 2021 - APS
In this paper we explore the five-dimensional f (T, B) teleparallel modified gravity with f 1 (T,
B)= T+ k 1 B n 1 and f 2 (T, B)= B+ k 2 T n 2 in the brane scenario. Asymptotically, the bulk …

[HTML][HTML] Gauge field localization in branes: coupling to a scalar function and coupling to torsion in teleparallel gravity scenario

ARP Moreira, FM Belchior, RV Maluf… - The European Physical …, 2023 - Springer
This paper is aimed at investigating the behavior of gauge vector and tensor fields on thick
brane in f (T) gravity. This thick brane is not capable of providing a normalizable zero mode …

[HTML][HTML] Thick brane structures in generalized hybrid metric-Palatini gravity

JL Rosa, DA Ferreira, D Bazeia, FSN Lobo - The European Physical …, 2021 - Springer
In this work, we study 5-dimensional braneworld scenarios in the scalar-tensor
representation of the generalized hybrid metric-Palatini gravitational theory. We start by …

Two-field disformal transformation and mimetic cosmology

H Firouzjahi, MA Gorji, SAH Mansoori… - … of Cosmology and …, 2018 - iopscience.iop.org
We extend the disformal transformation to models with two scalar fields and look at its
singular limit. Solving the eigentensor equation for the Jacobian of the transformation of the …

[HTML][HTML] Thick branes with inner structure in mimetic f(R) gravity

J Chen, WD Guo, YX Liu - The European Physical Journal C, 2021 - Springer
In this paper, we study the structure and gravitational resonances of thick branes generated
by a mimetic scalar field in f (R) gravity. We obtain several typical thick brane solutions for f …

Bulk fields localization on thick string-like brane in f (T) gravity

ARP Moreira, FM Belchior, RV Maluf… - The European Physical …, 2023 - Springer
This paper aims to investigate the influence of torsion on bulk fields in the codimension two
thick brane in f (T) modified teleparallel gravity. It is shown that the brane supports the …

[HTML][HTML] First-order formalism for thick branes in gravity

ARP Moreira, FCE Lima, JEG Silva… - The European Physical …, 2021 - Springer
In this paper we study the thick brane scenario constructed in the recently proposed f (T, T)
theories of gravity, where T is called the torsion scalar and T is the trace of the energy …

[HTML][HTML] Evolution of scalar field resonances in a braneworld

Q Tan, YP Zhang, WD Guo, J Chen, CC Zhu… - The European Physical …, 2023 - Springer
In this work, we investigate the numerical evolution of massive Kaluza–Klein (KK) modes of
a scalar field in a thick brane. We derive the Klein–Gordon equation in five-dimensional …