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- Title
Scattering of uncharged particles in the field of two extremely charged black holes.
- Authors
Bini, Donato; Geralico, Andrea; Gionti, Gabriele; Plastino, Wolfango; Velandia, Nelson
- Abstract
We investigate the motion of uncharged particles scattered by a binary system consisting of extremely charged black holes in equilibrium as described by the Majumdar–Papapetrou solution. We focus on unbound orbits confined to the plane containing both black holes. We consider the two complementary situations of particles approaching the system along a direction parallel to the axis where the black holes are displaced and orthogonal to it. We numerically compute the scattering angle as a function of the particle's conserved energy parameter, which provides a gauge-invariant information of the scattering process. We also study the precession of a test gyroscope along such orbits and evaluate the accumulated precession angle after a full scattering, which is another gauge-invariant quantity.
- Subjects
SCATTERING (Physics); PARTICLE scattering functions; BLACK holes; PARTICLE motion
- Publication
General Relativity & Gravitation, 2019, Vol 51, Issue 11, p1
- ISSN
0001-7701
- Publication type
Article
- DOI
10.1007/s10714-019-2642-y