Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2011-12-20
Phys. Rev. {\bf D85} (2012) 045031
Physics
High Energy Physics
High Energy Physics - Theory
Published version. 22 pages 1 figure
Scientific paper
10.1103/PhysRevD.85.045031
Hill's equations, which first arose in the study of the Earth-Moon-Sun system, admit the two-parameter centrally extended Newton-Hooke symmetry without rotations. This symmetry allows for extending Kohn's theorem about the center-of-mass decomposition. Particular light is shed on the problem using Duval's "Bargmann" framework. The separation of the center-of-mass motion into that of a guiding center and relative motion is derived by a generalized chiral decomposition.
Gibbons Gary W.
Horváthy Peter A.
Zhang Peng-Ming
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