Diffusion in a Symplectic Map with Application to Asteroid Motion
ZHOU Li-Yong, SUN Yi-Sui, ZHOU Ji-Lin
Department of Astronomy, Nanjing University, Nanjing 210093
Diffusion in a Symplectic Map with Application to Asteroid Motion
ZHOU Li-Yong;SUN Yi-Sui;ZHOU Ji-Lin
Department of Astronomy, Nanjing University, Nanjing 210093
关键词 ：
05.45.-a ,
95.10.Ce ,
96.30.Ys
Abstract ： In studying a 2-dimensional syrnplectic map, the exponential law and algebraic law are observed in the diffusion of orbits in the phase space. The diffusion time in the vicinity of an island is investigated carefully and a logarithm law is found for the first time. The distribution of asteroids in the main belt and the diffusion velocities in 3:2 and 4:3 resonances are discussed using this map.
Key words ：
05.45.-a
95.10.Ce
96.30.Ys
出版日期: 2000-10-01
:
05.45.-a
(Nonlinear dynamics and chaos)
95.10.Ce
(Celestial mechanics (including n-body problems))
96.30.Ys
(Asteroids, meteoroids)
引用本文:
ZHOU Li-Yong;SUN Yi-Sui;ZHOU Ji-Lin. Diffusion in a Symplectic Map with Application to Asteroid Motion[J]. 中国物理快报, 2000, 17(10): 708-710.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2000/V17/I10/708
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2000, Vol. 17 
