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| Natura: | Preprint |
| Pubblicazione: |
2026
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| Accesso online: | https://arxiv.org/abs/2605.17647 |
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| _version_ | 1866914575844114432 |
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| author | Belchior, F. M. |
| author_facet | Belchior, F. M. |
| contents | In this work, we investigate the scattering and absorption of spin 0 particles for electrically charged black holes in two gravity models with spontaneous Lorentz symmetry breaking. The first one is the so-called bumblebee model that involves a vector field with a nonvanishing vacuum expectation value (VEV), while the second one involves a self-interacting Kalb-Ramond field coupled to gravity. For our purpose, we employ the partial waves method to compute the scattering cross-section and the absorption for these charged black holes. Moreover, we calculate the greybody factors (GFs) for spin 0 particles, showing the influence of both the LV parameter and electric charge. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_17647 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Scattering, absorption and greybody factor of scalar particles by Lorentz-violating charged black holes Belchior, F. M. General Relativity and Quantum Cosmology In this work, we investigate the scattering and absorption of spin 0 particles for electrically charged black holes in two gravity models with spontaneous Lorentz symmetry breaking. The first one is the so-called bumblebee model that involves a vector field with a nonvanishing vacuum expectation value (VEV), while the second one involves a self-interacting Kalb-Ramond field coupled to gravity. For our purpose, we employ the partial waves method to compute the scattering cross-section and the absorption for these charged black holes. Moreover, we calculate the greybody factors (GFs) for spin 0 particles, showing the influence of both the LV parameter and electric charge. |
| title | Scattering, absorption and greybody factor of scalar particles by Lorentz-violating charged black holes |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2605.17647 |