Thin accretion disk around black hole in Einstein–Maxwell-scalar theory
Abstract We examine the accretion process in a thin disk surrounding a supermassive black hole within the framework of Einstein–Maxwell-scalar (EMS) gravity. Our investigation aims to elucidate how variations in model parameters affect different physical properties of the disk. When keeping EMS para...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2024-10-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | https://doi.org/10.1140/epjc/s10052-024-13454-6 |
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| author | Yingdong Wu Haiyuan Feng Wei-Qiang Chen |
| author_facet | Yingdong Wu Haiyuan Feng Wei-Qiang Chen |
| author_sort | Yingdong Wu |
| collection | DOAJ |
| description | Abstract We examine the accretion process in a thin disk surrounding a supermassive black hole within the framework of Einstein–Maxwell-scalar (EMS) gravity. Our investigation aims to elucidate how variations in model parameters affect different physical properties of the disk. When keeping EMS parameters $$\beta $$ β and q constant, we observe a reduction in radiation flux and temperature as $$\alpha $$ α increases. However, the luminosity and radiative efficiency exhibit relatively minor variation. Conversely, under fixed $$\alpha $$ α and q, an escalation in $$\beta $$ β leads to heightened levels of radiation flux, temperature, luminosity, and radiative efficiency. These results underscore the diverse influences of model parameters on observable metrics, providing valuable insights for the astronomical study of distinct black holes. |
| format | Article |
| id | doaj-art-38824fe155d84b038d46c1789fcedebb |
| institution | OA Journals |
| issn | 1434-6052 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | European Physical Journal C: Particles and Fields |
| spelling | doaj-art-38824fe155d84b038d46c1789fcedebb2025-08-20T02:20:45ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60522024-10-01841011410.1140/epjc/s10052-024-13454-6Thin accretion disk around black hole in Einstein–Maxwell-scalar theoryYingdong Wu0Haiyuan Feng1Wei-Qiang Chen2Department of Physics, Southern University of Science and TechnologyDepartment of Physics, Southern University of Science and TechnologyDepartment of Physics, Southern University of Science and TechnologyAbstract We examine the accretion process in a thin disk surrounding a supermassive black hole within the framework of Einstein–Maxwell-scalar (EMS) gravity. Our investigation aims to elucidate how variations in model parameters affect different physical properties of the disk. When keeping EMS parameters $$\beta $$ β and q constant, we observe a reduction in radiation flux and temperature as $$\alpha $$ α increases. However, the luminosity and radiative efficiency exhibit relatively minor variation. Conversely, under fixed $$\alpha $$ α and q, an escalation in $$\beta $$ β leads to heightened levels of radiation flux, temperature, luminosity, and radiative efficiency. These results underscore the diverse influences of model parameters on observable metrics, providing valuable insights for the astronomical study of distinct black holes.https://doi.org/10.1140/epjc/s10052-024-13454-6 |
| spellingShingle | Yingdong Wu Haiyuan Feng Wei-Qiang Chen Thin accretion disk around black hole in Einstein–Maxwell-scalar theory European Physical Journal C: Particles and Fields |
| title | Thin accretion disk around black hole in Einstein–Maxwell-scalar theory |
| title_full | Thin accretion disk around black hole in Einstein–Maxwell-scalar theory |
| title_fullStr | Thin accretion disk around black hole in Einstein–Maxwell-scalar theory |
| title_full_unstemmed | Thin accretion disk around black hole in Einstein–Maxwell-scalar theory |
| title_short | Thin accretion disk around black hole in Einstein–Maxwell-scalar theory |
| title_sort | thin accretion disk around black hole in einstein maxwell scalar theory |
| url | https://doi.org/10.1140/epjc/s10052-024-13454-6 |
| work_keys_str_mv | AT yingdongwu thinaccretiondiskaroundblackholeineinsteinmaxwellscalartheory AT haiyuanfeng thinaccretiondiskaroundblackholeineinsteinmaxwellscalartheory AT weiqiangchen thinaccretiondiskaroundblackholeineinsteinmaxwellscalartheory |