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In this research, we delve into the localization patterns of fermionic fields within a braneworld setting, employing a modified gravity model denoted as $f(Q)$. Our investigation revolves around two specific models, $f_1(Q)=Q+kQ^n$ and…

General Relativity and Quantum Cosmology · Physics 2024-01-05 A. R. P. Moreira , Shi-Hai Dong

We investigate the fermion localization in extra-dimensional $f(Q,\mathcal{T})$ gravity with cuscuton dynamics. This modified gravity theory is based on the nonmetricity scalar $Q$ and on the trace of the energy-momentum tensor…

General Relativity and Quantum Cosmology · Physics 2025-03-18 Allan R. P. Moreira , Shi-Hai Dong , Emmanuel N. Saridakis

Localization of fermions is studied in different gravitational domain wall models. These are generalizations of the brane-world models considered by Randall and Sundrum, but which also allow gravitational localization. Therefore, they might…

High Energy Physics - Theory · Physics 2014-05-28 Oscar Castillo-Felisola , Ivan Schmidt

This work deal with braneworld scenarios with generalized gravity. We investigate models where the potential of the scalar field is polynomial or nonpolynomial. We obtain exact and approximated solutions for the scalar field, warp factor…

High Energy Physics - Theory · Physics 2014-01-27 D. Bazeia , A. S. Lobao , R. Menezes , A. Yu. Petrov , A. J. da Silva

We construct brane solutions in six dimensional Einstein-Skyrme systems. A class of baby skyrmion solutions realize warped compactification of the extra dimensions and gravity localization on the brane for negative bulk cosmological…

High Energy Physics - Theory · Physics 2008-07-28 Yuta Kodama , Kento Kokubu , Nobuyuki Sawado

We propose a braneworld scenario in a modified symmetric teleparallel gravitational theory, where the dynamics for the gravitational field is encoded in the nonmetricity tensor rather than in the curvature. Assuming a single real scalar…

General Relativity and Quantum Cosmology · Physics 2022-08-31 J. E. G. Silva , R. V. Maluf , Gonzalo J. Olmo , C. A. S. Almeida

We consider the effects of spacetime curvature and brane thickness on the localization of gauge fields on a brane via kinetic terms induced by localized fermions. We find that in a warped geometry with and infinitely thin brane, both the…

High Energy Physics - Theory · Physics 2010-04-21 Rommel Guerrero , Alejandra Melfo , Nelson Pantoja , R. Omar Rodriguez

We investigate the localization of fermionic fields in a five-dimensional braneworld scenario within the framework of modified teleparallel gravity described by a general $f(T,T_G)$ function. Considering a non-minimal coupling between a…

High Energy Physics - Theory · Physics 2026-05-22 Allan R. P. Moreira , Fernando M. Belchior , Guo-Hua Sun , Shi-Hai Dong

In this letter we consider a specific model of braneworld with nonstandard dynamics diffused in the literature, specifically we focus our attention on the matter energy density, the energy of system, the Ricci scalar and the thin brane…

High Energy Physics - Theory · Physics 2015-02-24 Luis B. Castro , Luis E. Arroyo Meza

In this work we investigate the issue of gravity and fermion localization and resonances in $(4,1)$-branes constructed with one scalar field coupled with gravity in deformed models. Such models give solutions for the scalar field that is…

High Energy Physics - Theory · Physics 2009-12-22 W. T. Cruz , A. R. Gomes , C. A. S. Almeida

A generalized two-brane Randall-Sundrum warped braneworld model admits of solutions of the warp factor for both positive or negative cosmological constant on the visible 3-brane which can resolve the naturalness problem in connection with…

High Energy Physics - Theory · Physics 2010-05-12 Ratna Koley , Joydip Mitra , Soumitra SenGupta

We investigate thick-brane configurations in five-dimensional $f(T,T_G)$ modified teleparallel gravity. In five dimensions, the torsional Gauss-Bonnet invariant $T_G$ contributes dynamically, leading to genuinely new effects even at linear…

High Energy Physics - Theory · Physics 2026-05-20 A. R. P. Moreira , F. M. Belchior , Shi-Hai Dong , E. N. Saridakis

The viability of achieving gravitational consistent braneworld models in the framework of a f(R) theory of gravity is investigated. After a careful generalization of the usual junction conditions encompassing the embedding of the 3-brane…

General Relativity and Quantum Cosmology · Physics 2014-10-21 T. R. P. Carames , M. E. X. Guimaraes , J. M. Hoff da Silva

We investigate the dynamics of fermion localization within the framework of $f(T, B)$ gravity featuring non-minimal couplings. Starting from the Dirac action for a spin-$1/2$ fermion in a five-dimensional spacetime governed by torsional…

General Relativity and Quantum Cosmology · Physics 2025-03-18 Allan R. P. Moreira , Shi-Hai Dong , Emmanuel N. Saridakis

This work deals with gravity localization on codimension-1 brane worlds engendered by compacton-like kinks, the so-called hybrid branes. In such scenarios, the thin brane behaviour is manifested when the extra dimension is outside the…

High Energy Physics - Theory · Physics 2016-02-03 D. F. S. Veras , W. T. Cruz , R. V. Maluf , C. A. S. Almeida

In this work we investigate the issue of fermion localization and resonances in $(4,1)$-deformed branes constructed with one scalar field coupled with gravity. Such models provide us branes with internal structures that turns the…

High Energy Physics - Theory · Physics 2015-05-30 W. T. Cruz , A. R. Gomes , C. A. S. Almeida

Braneworld scenarios consider our observable universe as a brane embedded in a 5D space, named bulk. In this work, I derive the field equations of a braneworld model in a generalized theory of gravitation, namely $f(R,T)$ gravity, with $R$…

General Relativity and Quantum Cosmology · Physics 2016-02-17 P. H. R. S. Moraes , R. A. C. Correa

In this work we study two types of five-dimensional braneworld models given by sine-Gordon potentials. In both scenarios, the thick brane is generated by a real scalar field coupled to gravity. We focus our investigation on the localization…

High Energy Physics - Theory · Physics 2015-11-26 W. T. Cruz , R. V. Maluf , L. J. S. Sousa , C. A. S. Almeida

In this paper a model in a space-time with compact extra dimension is presented, describing five-dimensional fermion fields interacting with an electromagnetic field localized on a brane. This model can be considered as a toy model for…

High Energy Physics - Theory · Physics 2013-05-29 Mikhail N. Smolyakov

Recent theoretical developments have generated a strong interest in the ``brane-world'' picture, which assumes that ordinary matter is trapped in a three-dimensional submanifold, usually called brane, embedded in a higher dimensional space.…

General Relativity and Quantum Cosmology · Physics 2007-05-23 David Langlois
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