Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Preprint |
| Published: |
2022
|
| Subjects: | |
| Online Access: | https://arxiv.org/abs/2205.05255 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866917593597607936 |
|---|---|
| author | Tan, Qin Guo, Wen-Di Liu, Yu-Xiao |
| author_facet | Tan, Qin Guo, Wen-Di Liu, Yu-Xiao |
| contents | In this work, we investigate the quasinormal modes of a thick brane system. Considering the transverse-traceless tensor perturbation of the brane metric, we obtain the Schrödinger-like equation of the Kaluza-Klein modes of the tensor perturbation. Then we use the Wentzel-Kramers-Brillouin approximation and the asymptotic iteration method to solve this Schrödinger-like equation. We also study the numeric evolution of an initial wave packet against the thick brane. The results show that there is a set of discrete quasinormal modes in the thick brane model. These quasinormal modes appear as the decaying massive gravitons for a brane observer. They are characteristic modes of the thick brane and can reflect the structure of the thick brane. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2205_05255 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Sound from extra dimension: quasinormal modes of thick brane Tan, Qin Guo, Wen-Di Liu, Yu-Xiao General Relativity and Quantum Cosmology In this work, we investigate the quasinormal modes of a thick brane system. Considering the transverse-traceless tensor perturbation of the brane metric, we obtain the Schrödinger-like equation of the Kaluza-Klein modes of the tensor perturbation. Then we use the Wentzel-Kramers-Brillouin approximation and the asymptotic iteration method to solve this Schrödinger-like equation. We also study the numeric evolution of an initial wave packet against the thick brane. The results show that there is a set of discrete quasinormal modes in the thick brane model. These quasinormal modes appear as the decaying massive gravitons for a brane observer. They are characteristic modes of the thick brane and can reflect the structure of the thick brane. |
| title | Sound from extra dimension: quasinormal modes of thick brane |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2205.05255 |