D Vogt and P S Letelier 2004 Class. Quantum Grav. 21 3369 doi:10.1088/0264-9381/21/14/003
D Vogt1 and P S Letelier2
Show affiliationsThe well-known 'displace, cut and reflect' method used to generate discs from given solutions of Einstein field equations is applied to the superposition of two extreme Reissner–Nordström black holes to construct discs made of charged dust and also non-axisymmetric planar distributions of charged dust on the z = 0 plane. They are symmetric with respect to two or one coordinate axes, depending on whether the black holes have equal or unequal masses, respectively. For these non-axisymmetric distributions of matter we also study the effective potential for geodesic motion of neutral test particles.
04.70.-s Physics of black holes
04.40.Nr Einstein-Maxwell spacetimes, spacetimes with fluids, radiation or classical fields
Issue 14 (21 July 2004)
Received 16 April 2004
Published 18 June 2004
D Vogt and P S Letelier 2004 Class. Quantum Grav. 21 3369
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