Collinear solution to the general relativistic three-body problem
arXiv:1010.2284 · doi:10.1103/PhysRevD.82.104019
Abstract
The three-body problem is reexamined in the framework of general relativity. The Newtonian three-body problem admits Euler's collinear solution, where three bodies move around the common center of mass with the same orbital period and always line up. The solution is unstable. Hence it is unlikely that such a simple configuration would exist owing to general relativistic forces dependent not only on the masses but also on the velocity of each body. However, we show that the collinear solution remains true with a correction to the spatial separation between masses. Relativistic corrections to the Sun-Jupiter Lagrange points L1, L2 and L3 are also evaluated.
12 pages, 2 figures, accepted for publication in PRD
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- Triangular solution to the planar elliptic three-body problem in the parametrized post-Newtonian formalism