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gr-qc2023★ 4 cited
Limiting the Number of Extra Dimensions with Shortcuts
Zi-Chao Lin, Hao Yu, Yungui Gong
In higher-dimensional theories, a graviton propagating in the bulk can follow a shorter path, known as a shortcut, compared to a photon propagating in a four-dimensional spacetime.…
hep-th2023★ 2 cited
Generalized approach for the perturbative dynamical braneworld in dimensions
Zi-Chao Lin, Hao Yu, Yungui Gong
In this paper, we propose an approach to derive the brane cosmology in the -dimensional braneworld model. We generalize the "bulk-based" approach by treating the 4-brane as a sm…