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Chinese Physics, 2000, Vol. 9(6): 424-431    DOI: 10.1088/1009-1963/9/6/005
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

TRANSIENT LIFETIME SPECTRUM OF TWO CHARGED PARTICLES IN A PAUL TRAP

Shen Jing-ling (沈京玲)ab, Zhang Guang-cai (张广才)a, Dai Jian-hua (戴建华)a, Zhang Hong-juna
a Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; b Department of Physics, Capital Normal University, Beijing 100037, China
Abstract  The transient properties of laser-cooled two charged particles in a Paul trap are studied numerically. We find the existence of characteristic lifetime of an attractor, which is thought to be an important feature of the transient dynamics of the weakly dissipative system. The theoretical analysis shows that it is caused by pseudo-periodic orbit which is the residual sign of periodic orbit of the focus-saddle bifurcation. Study of dissipative coupled standard maps shows that this is a general conclusion for weakly dissipative system.
Received:  12 November 1999      Revised:  17 February 2000      Accepted manuscript online: 
PACS:  32.70.Cs (Oscillator strengths, lifetimes, transition moments)  
  37.10.De (Atom cooling methods)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 19835020).

Cite this article: 

Shen Jing-ling (沈京玲), Zhang Guang-cai (张广才), Dai Jian-hua (戴建华), Zhang Hong-jun (张洪钧) TRANSIENT LIFETIME SPECTRUM OF TWO CHARGED PARTICLES IN A PAUL TRAP 2000 Chinese Physics 9 424

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