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Author |
Qadir, A.; Asenjo, F.A.; Mahajan, S.M. |
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Title |
Magnetic field seed generation in plasmas around charged and rotating black holes |
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Year |
2014 |
Publication |
Physica Scripta |
Abbreviated Journal |
Phys. Scr. |
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Volume |
89 |
Issue |
8 |
Pages |
7 pp |
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Keywords |
seed magnetic field; general relativistic drive; Kerr metric |
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Abstract |
Previous work by the authors introduced the possibility of generating seed magnetic fields by spacetime curvature and applied it in the vicinity of a Schwarzschild black hole. It was pointed out that it would be worthwhile to consider the effect in other background geometries and particularly in the vicinity of a rotating black hole, which is generically to be expected, astrophysically. In this paper that suggestion is followed up and we calculate generated magnetic field seed due to Reissner-Nordstrom and Kerr spacetimes. The conditions for the drive for the seed of a magnetic field is obtained for charged black holes, finding that in the horizon the drive vanishes. Also, the psi N-force produced by the Kerr black hole is obtained and its relation with the magnetic field seed is discussed, producing a more effective drive. |
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Address |
[Qadir, Asghar] Natl Univ Sci & Technol, Ctr Adv Math & Phys, Islamabad 4400, Pakistan, Email: aqadirmath@yahoo.com |
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Publisher |
Iop Publishing Ltd |
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Language |
English |
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ISSN |
0031-8949 |
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Notes |
WOS:000343295000004 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
469 |
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