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Related papers: Excited DeSitter brane worlds localized by a kink

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We construct a deformed brane solution generated by a double-kink scalar field and a dilaton scalar field. In this brane scenario the extra dimension is finite, which is due to the introduction of the dilaton field with special form. The…

High Energy Physics - Theory · Physics 2012-09-14 Yu-Xiao Liu , Chun-E Fu , Heng Guo , Hai-Tao Li

We propose new braneworld models arising from a scalar field in the bulk. In these examples, the induced on--brane line element is de Sitter (or anti de Sitter) and the bulk (five dimensional) Einstein equations can be exactly solved to…

High Energy Physics - Theory · Physics 2009-05-05 Supratik Pal , Sayan Kar

Scalar kinks propagating along the bulk in warped spacetimes provide a thick brane realisation of the braneworld. We consider here, a class of such exact solutions of the full Einstein-scalar system with a sine-Gordon potential and a…

High Energy Physics - Theory · Physics 2008-11-26 Ratna Koley , Sayan Kar

We construct brane solutions in 6 dimensional Einstein-Skyrme systems. A class of baby skyrmion solutions realizes warped compactification of the extra dimensions and gravity localization on the brane for negative bulk cosmological…

High Energy Physics - Theory · Physics 2011-06-02 Yuta Kodama , Kento Kokubu , Nobuyuki Sawado

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

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

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

In the construction of a classical smoothed out brane world model in five dimensions, one uses a dynamically generated domain wall (a kink) to localise an effective four dimensional theory. At the level of the Euler-Lagrange equations the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Damien P. George , Raymond R. Volkas

In this paper, we investigate the localization and the mass spectra of gravity and various bulk matter fields on a thick anti-de Sitter (AdS) brane, by presenting the mass-independent potentials of the Kaluza-Klein (KK) modes in the…

High Energy Physics - Theory · Physics 2015-03-17 Yu-Xiao Liu , Heng Guo , Chun-E Fu , Hai-Tao Li

A bulk phantom scalar field (with negative kinetic energy) in a sine--Gordon type potential is used to generate an exact thick brane solution with an increasing warp factor. It is shown that the growing nature of the warp factor allows the…

High Energy Physics - Theory · Physics 2009-11-10 Ratna Koley , Sayan Kar

A class of thick branes in the background of sine-Gordon kinks with a scalar potential $V(\phi)=p(1+\cos\frac{2\phi}{q})$ was constructed by R. Koley and S. Kar [Classical Quantum Gravity \textbf{22}, 753 (2005)]. In this paper, in the…

High Energy Physics - Theory · Physics 2009-02-23 Yu-Xiao Liu , Li-Da Zhang , Li-Jie Zhang , Yi-Shi Duan

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

Einstein-Gauss-Bonnet gravity in high dimensional spacetime is intriguing. Here, the properties of thick branes generated by a bulk scalar field in the five-dimensional Einstein-Gauss-Bonnet gravity were studied. With the help of the…

High Energy Physics - Theory · Physics 2024-02-22 Na Xu , Jing Chen , Yu-Peng Zhang , Yu-Xiao Liu

We present new solutions of higher dimensional Einstein's equations with a cosmological constant that localize gravity on branes which are transverse to Ricci-flat manifolds or to homogeneous spaces with topologically non-trivial solutions…

High Energy Physics - Theory · Physics 2009-10-31 Seif Randjbar-Daemi , Mikhail Shaposhnikov

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

It is known that by introducing the Yukawa coupling between the fermion and the background scalar field, a bulk spin-half fermion can be localized on general Randall-Sundrum braneworlds generated by a kinklike background scalar. However,…

High Energy Physics - Theory · Physics 2014-08-15 Yu-Xiao Liu , Zeng-Guang Xu , Feng-Wei Chen , Shao-Wen Wei

We suggest a thick braneworld model in the squared curvature gravity theory. Despite the appearance of higher order derivatives, the localization of gravity and various bulk matter fields is shown to be possible. The existence of the…

High Energy Physics - Theory · Physics 2011-07-04 Yu-Xiao Liu , Yuan Zhong , Zhen-Hua Zhao , Hai-Tao Li

We consider a brane generated by a scalar field domain wall configuration in 4+1 dimensions, interpolating, in most cases, between two vacua of the field. We study the cosmology of such a system in the cases where the effective…

High Energy Physics - Phenomenology · Physics 2010-02-03 Tracy R. Slatyer , Raymond R. Volkas

We consider the six dimensional brane world model, where the brane is described by a localized solution to the baby-Skyrme model extending in the extradimensions. The branes have a cosmological constant modeled by inflating four dimensional…

General Relativity and Quantum Cosmology · Physics 2015-06-03 Térence Delsate , Nobuyuki Sawado

We introduce new realistic brane-solutions with exponential scale factors in the 6D-space-time. We show that for these solutions the zero modes of all bulk fields are sharply localized at different positions on the brane and have "Gaussian…

High Energy Physics - Theory · Physics 2009-11-10 P. Midodashvili
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