Exact Relativistic Magnetized Haloes around Rotating Disks
The study of the dynamics of magnetic fields in galaxies is one of important problems in formation and evolution of galaxies. In this paper, we present the exact relativistic treatment of a rotating disk surrounded by a magnetized material halo. The features of the halo and disk are described by the...
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| Format: | Article |
| Language: | English |
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Wiley
2015-01-01
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| Series: | Advances in Mathematical Physics |
| Online Access: | http://dx.doi.org/10.1155/2015/916026 |
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| author | Antonio C. Gutiérrez-Piñeres Abraão J. S. Capistrano |
| author_facet | Antonio C. Gutiérrez-Piñeres Abraão J. S. Capistrano |
| author_sort | Antonio C. Gutiérrez-Piñeres |
| collection | DOAJ |
| description | The study of the dynamics of magnetic fields in galaxies is one of important problems in formation and evolution of galaxies. In this paper, we present the exact relativistic treatment of a rotating disk surrounded by a magnetized material halo. The features of the halo and disk are described by the distributional energy-momentum tensor of a general fluid in canonical form. All the relevant quantities and the metric and electromagnetic potentials are exactly determined by an arbitrary harmonic function only. For instance, the generalized Kuzmin-disk potential is used. The particular class of solutions obtained is asymptotically flat and satisfies all the energy conditions. Moreover, the motion of a charged particle on the halo is described. As far as we know, this is the first relativistic model describing analytically the magnetized halo of a rotating disk. |
| format | Article |
| id | doaj-art-1f8c744f1116445ab5f0e129912e0d21 |
| institution | Kabale University |
| issn | 1687-9120 1687-9139 |
| language | English |
| publishDate | 2015-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Mathematical Physics |
| spelling | doaj-art-1f8c744f1116445ab5f0e129912e0d212025-02-03T01:28:15ZengWileyAdvances in Mathematical Physics1687-91201687-91392015-01-01201510.1155/2015/916026916026Exact Relativistic Magnetized Haloes around Rotating DisksAntonio C. Gutiérrez-Piñeres0Abraão J. S. Capistrano1Facultad de Ciencias Básicas, Universidad Tecnológica de Bolívar, CP 131001, Cartagena, ColombiaFederal University of Latin-American Integration, P.O. Box 2123, 85867-670 Foz do Iguaçu, PR, BrazilThe study of the dynamics of magnetic fields in galaxies is one of important problems in formation and evolution of galaxies. In this paper, we present the exact relativistic treatment of a rotating disk surrounded by a magnetized material halo. The features of the halo and disk are described by the distributional energy-momentum tensor of a general fluid in canonical form. All the relevant quantities and the metric and electromagnetic potentials are exactly determined by an arbitrary harmonic function only. For instance, the generalized Kuzmin-disk potential is used. The particular class of solutions obtained is asymptotically flat and satisfies all the energy conditions. Moreover, the motion of a charged particle on the halo is described. As far as we know, this is the first relativistic model describing analytically the magnetized halo of a rotating disk.http://dx.doi.org/10.1155/2015/916026 |
| spellingShingle | Antonio C. Gutiérrez-Piñeres Abraão J. S. Capistrano Exact Relativistic Magnetized Haloes around Rotating Disks Advances in Mathematical Physics |
| title | Exact Relativistic Magnetized Haloes around Rotating Disks |
| title_full | Exact Relativistic Magnetized Haloes around Rotating Disks |
| title_fullStr | Exact Relativistic Magnetized Haloes around Rotating Disks |
| title_full_unstemmed | Exact Relativistic Magnetized Haloes around Rotating Disks |
| title_short | Exact Relativistic Magnetized Haloes around Rotating Disks |
| title_sort | exact relativistic magnetized haloes around rotating disks |
| url | http://dx.doi.org/10.1155/2015/916026 |
| work_keys_str_mv | AT antoniocgutierrezpineres exactrelativisticmagnetizedhaloesaroundrotatingdisks AT abraaojscapistrano exactrelativisticmagnetizedhaloesaroundrotatingdisks |