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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Magnetic fields of current loops around black holes
 Vrba, Šimon ; Semerák, Oldřich (advisor) ; Karas, Vladimír (referee)
We summarize and explain the mathematical procedure that allows us to find the closed form of the magnetic field generated by a test current loop in Kerr spacetime. We consider axisymmetric placement of the loop for all three cases of the Kerr background: below-extreme black hole, extreme black hole, and naked singularity. The field is obtained by differentiating the effective Green function of the Debye potential, which is expressed in terms of elliptic integrals. 1
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Magnetic field of current loops around black holes
 Vrba, Šimon ; Semerák, Oldřich (advisor) ; Kofroň, David (referee)
The magnetic field of a testing current loop in the equatorial plane around a Schwarzschild and Kerr black holes is visualized. In particular, the cases of an extreme black hole and of a Kerr naked singularity are analyzed. The simplest models of massless thin and thick current disks around a Schwarzschild black hole are presented. 1
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