Tensor perturbations and thick branes in higher-dimensional f(R) gravity

被引：0
作者：
Zheng-Quan Cui
Zi-Chao Lin
Jun-Jie Wan
Yu-Xiao Liu
Li Zhao
机构：
[1] Lanzhou University,Joint Research Center for Physics
[2] Qinghai Normal University,Institute of Theoretical Physics & Research Center of Gravitation
[3] Lanzhou University,Key Laboratory for Magnetism and Magnetic Materials of the MOE
[4] Lanzhou University,Lanzhou Center for Theoretical Physics
[5] Lanzhou University,undefined
来源：
Journal of High Energy Physics | / 2020卷
关键词：
Large Extra Dimensions; Classical Theories of Gravity;
D O I：
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摘要：
We study brane worlds in an anisotropic higher-dimensional spacetime within the context of f(R) gravity. Firstly, we demonstrate that this spacetime with a concrete metric ansatz is stable against linear tensor perturbations under certain conditions. Moreover, the Kaluza-Klein modes of the graviton are analyzed. Secondly, we investigate thick brane solutions in six dimensions and their properties. We further exhibit two sets of solutions for thick branes. At last, the effective potential of the Kaluza-Klein modes of the graviton is discussed for the two solved f(R) models in higher dimensions.
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