中国物理B ›› 2005, Vol. 14 ›› Issue (4): 660-662.doi: 10.1088/1009-1963/14/4/004
楼智美
Lou Zhi-Mei (楼智美)
摘要: In this paper, the differential equations of motion of a three-body interacting pairwise by inverse cubic forces (``centrifugal potential'') in addition to linear forces (``harmonical potential'') are expressed in Ermakov formalism in two-dimension polar coordinates, and the Ermakov invariant is obtained. By rescaling of the time variable and the space coordinates, the parametric orbits of the three bodies are expressed in terms of relative energy H11 and Ermakov invariant. The form invariance of the transformations of two conserved quantities are also studied.
中图分类号: (Few- and many-body systems ?)