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Chinese Physics, 2006, Vol. 15(8): 1705-1708    DOI: 10.1088/1009-1963/15/8/012
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Chaos feature of test particle in the gravitational field with a quadrupole

Chen Ju-Hua(陈菊华) and Wang Yong-Jiu(王永久)
College of Physics and Information Science, Hunan Normal University, Changsha 410081, China
Abstract  In this paper we investigate the dynamics of a test particle in the gravitational field with a quadrupole. By constructing Poincaré sections for different values of the parameters and initial conditions, we find a chaotic evolution. From these Poincaré sections, we further confirm that the chaotic evolution of the test particle originates from the quadrupole.
Keywords:  chaos      Poincaré section      quadrupole  
Received:  24 June 2005      Revised:  08 December 2005      Accepted manuscript online: 
PACS:  05.45.-a (Nonlinear dynamics and chaos)  
  04.20.-q (Classical general relativity)  
Fund: Project supported by the State Key Development Program for Basic Research Program of China (Grant No 2003CB716300),the National Natural Science Foundation of China (Grant No 10547114) and the Scientific Research Fund of Hunan Provincial Education Department (Grant No 02C202).

Cite this article: 

Chen Ju-Hua(陈菊华) and Wang Yong-Jiu(王永久) Chaos feature of test particle in the gravitational field with a quadrupole 2006 Chinese Physics 15 1705

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