Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A

S Vagnozzi, R Roy, YD Tsai, L Visinelli… - … and Quantum Gravity, 2023 - iopscience.iop.org
Horizon-scale images of black holes (BHs) and their shadows have opened an
unprecedented window onto tests of gravity and fundamental physics in the strong-field …

Introduction to extra dimensions and thick braneworlds

YX Liu - Memorial volume for Yi-shi Duan, 2018 - World Scientific
In this review, we give a brief introduction on the aspects of some extra dimension models
and the five-dimensional thick brane models in extended theories of gravity. First, we briey …

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 …

Localization of abelian gauge fields with Stueckelberg-like geometrical coupling on f(TB)-thick brane

FM Belchior, ARP Moreira, RV Maluf… - The European Physical …, 2023 - Springer
In the context of f (T, B) modified teleparallel gravity, we investigate the influence of torsion
scalar T and boundary term B on the confinement of both the gauge vector and Kalb …

Localization of abelian gauge fields on thick branes

CA Vaquera-Araujo, O Corradini - The European Physical Journal C, 2015 - Springer
In this work, we explore a mechanism for abelian gauge field localization on thick branes
based on a five-dimensional Stueckelberg-like action. A normalizable zero mode is found …

gauge field localization on a Bloch brane with Chumbes-Holf da Silva-Hott mechanism

ZH Zhao, YX Liu, Y Zhong - Physical Review D, 2014 - APS
We follow the Chumbes–Holf da Silva–Hott mechanism to study the (quasi) localization of
the U (1) gauge field on the Bloch brane. The localization and resonances of the U (1) …

Method for obtaining thick brane models

AS Dutra, GP De Brito, JMH da Silva - Physical Review D, 2015 - APS
In this work we present a new class of braneworld models, where the superpotential function
may be decomposed in an specific form, which allows considerable simplifications in the …

[HTML][HTML] Graviton resonances on two-field thick branes

WT Cruz, LJS Sousa, RV Maluf, CAS Almeida - Physics Letters B, 2014 - Elsevier
This work presents new results about the graviton massive spectrum in two-field thick
branes. Analyzing the massive spectra with a relative probability method we have firstly …

New localization method of U (1) gauge vector field on flat branes in (asymptotic) AdS5 spacetime

ZH Zhao, QY Xie, Y Zhong - Classical and Quantum Gravity, 2015 - iopscience.iop.org
It is well known that the $ U (1) $ gauge vector field, with standard five-dimensional (5D)
action, cannot be localized on Randall–Sundrum-like braneworlds with an infinite extra …

Localization of form field on the brane-world by coupling with gravity

YT Lu, H Guo, CE Fu - arXiv preprint arXiv:2401.11688, 2024 - arxiv.org
The scalar fields, $ U (1) $ gauge vector fields, and Kalb-Ramond fields are the $0 $-form, 1-
form, and 2-form fields, respectively. In four-dimensional space-time, free $ q $-form fields …