Absorption and scattering of a black hole with a global monopole in f(R) gravity
In this paper we consider the solution of a black hole with a global monopole in f(R) gravity and apply the partial wave approach to compute the differential scattering cross section and absorption cross section. We show that in the low-frequency limit and at small angles the contribution to the dom...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2019-01-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269318308608 |
| _version_ | 1818016274114936832 |
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| author | M.A. Anacleto F.A. Brito S.J.S. Ferreira E. Passos |
| author_facet | M.A. Anacleto F.A. Brito S.J.S. Ferreira E. Passos |
| author_sort | M.A. Anacleto |
| collection | DOAJ |
| description | In this paper we consider the solution of a black hole with a global monopole in f(R) gravity and apply the partial wave approach to compute the differential scattering cross section and absorption cross section. We show that in the low-frequency limit and at small angles the contribution to the dominant term in the scattering/absorption cross section is modified by the presence of the global monopole and the gravity modification. In such limit, the absorption cross section shows to be proportional to the area of the event horizon. |
| first_indexed | 2024-04-14T07:11:03Z |
| format | Article |
| id | doaj.art-0b875d5a5d7a4495818286ef35bc7188 |
| institution | Directory Open Access Journal |
| issn | 0370-2693 |
| language | English |
| last_indexed | 2024-04-14T07:11:03Z |
| publishDate | 2019-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-0b875d5a5d7a4495818286ef35bc71882022-12-22T02:06:26ZengElsevierPhysics Letters B0370-26932019-01-01788231237Absorption and scattering of a black hole with a global monopole in f(R) gravityM.A. Anacleto0F.A. Brito1S.J.S. Ferreira2E. Passos3Departamento de Física, Universidade Federal de Campina Grande Caixa Postal 10071, 58429-900 Campina Grande, Paraíba, BrazilDepartamento de Física, Universidade Federal de Campina Grande Caixa Postal 10071, 58429-900 Campina Grande, Paraíba, Brazil; Departamento de Física, Universidade Federal da Paraíba, Caixa Postal 5008, 58051-970 João Pessoa, Paraíba, Brazil; Corresponding author.Departamento de Física, Universidade Federal de Campina Grande Caixa Postal 10071, 58429-900 Campina Grande, Paraíba, BrazilDepartamento de Física, Universidade Federal de Campina Grande Caixa Postal 10071, 58429-900 Campina Grande, Paraíba, BrazilIn this paper we consider the solution of a black hole with a global monopole in f(R) gravity and apply the partial wave approach to compute the differential scattering cross section and absorption cross section. We show that in the low-frequency limit and at small angles the contribution to the dominant term in the scattering/absorption cross section is modified by the presence of the global monopole and the gravity modification. In such limit, the absorption cross section shows to be proportional to the area of the event horizon.http://www.sciencedirect.com/science/article/pii/S0370269318308608 |
| spellingShingle | M.A. Anacleto F.A. Brito S.J.S. Ferreira E. Passos Absorption and scattering of a black hole with a global monopole in f(R) gravity Physics Letters B |
| title | Absorption and scattering of a black hole with a global monopole in f(R) gravity |
| title_full | Absorption and scattering of a black hole with a global monopole in f(R) gravity |
| title_fullStr | Absorption and scattering of a black hole with a global monopole in f(R) gravity |
| title_full_unstemmed | Absorption and scattering of a black hole with a global monopole in f(R) gravity |
| title_short | Absorption and scattering of a black hole with a global monopole in f(R) gravity |
| title_sort | absorption and scattering of a black hole with a global monopole in f r gravity |
| url | http://www.sciencedirect.com/science/article/pii/S0370269318308608 |
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