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Symmetries of the relativistic two-particle model with scalar-vector interaction. (English) Zbl 0952.35148

A relativistic two-particle model with superposition of time-asymmetric scalar and vector interactions is proposed and its symmetries are considered. It is shown that the first integrals of motion satisfy nonlinear Poisson bracket relations which include the Poincaré algebra and one of the algebras \(so(1,3)\), \(so(4)\) or \(e(3)\). Moreover, it is shown how to obtain the relative and particle trajectories using the Runge-Lentz vector instead integrating the equations of motion.

MSC:

35Q75 PDEs in connection with relativity and gravitational theory
35Q40 PDEs in connection with quantum mechanics
83C10 Equations of motion in general relativity and gravitational theory

References:

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