Tensor Perturbations and Thick Branes in Higher-dimensional $f(R)$ Gravity

no code implementations • 1 Sep 2020 • Zheng-Quan Cui, Zi-Chao Lin, Jun-Jie Wan, Yu-Xiao Liu, Li Zhao

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.

High Energy Physics - Theory General Relativity and Quantum Cosmology

Is the four-dimensional novel EGB theory equivalent to its regularized counterpart in a cylindrically symmetric spacetime?

no code implementations • 14 Jun 2020 • Zi-Chao Lin, Ke Yang, Shao-Wen Wei, Yong-Qiang Wang, Yu-Xiao Liu

Thus it is expected that the novel four-dimensional EGB theory is equivalent to its regularized version.

General Relativity and Quantum Cosmology High Energy Physics - Theory