Chin. Phys. Lett.  2006, Vol. 23 Issue (11): 2948-2951    DOI:
Original Articles |
Autocorrelation Function of Hydrogen Atoms in Magnetic Fields
YU Yong-Li;ZHAO Xia;LI Hong-Yun;GUO Wen-Hao;LIN Sheng-Lu
College of Physics and Electronics, Shandong Normal University, Jinan 250014
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YU Yong-Li, ZHAO Xia, LI Hong-Yun et al  2006 Chin. Phys. Lett. 23 2948-2951
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Abstract The autocorrelation function is an important quantity that can reflect the dynamical properties of the Rydberg wave packet and can be measured in experiments. Applying time-dependent perturbation theory and rotating wave approximation, we derive the autocorrelation function of the double-pulse laser describing the evolution of a Rydberg wave packet of ydrogen atoms in magnetic fields. The resulting expression is written as a sum of the modified Gaussian terms. Each Gaussian term comes from a parent semiclassical closed orbit. It provides a direct explanation and experimentally controllable measurement scheme, which allows us therefore to recognize the closed orbit and to determine its returning time in high precision.
Keywords: 32.60.+i      32.80.Rm     
Published: 01 November 2006
PACS:  32.60.+i (Zeeman and Stark effects)  
  32.80.Rm (Multiphoton ionization and excitation to highly excited states)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I11/02948
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YU Yong-Li
ZHAO Xia
LI Hong-Yun
GUO Wen-Hao
LIN Sheng-Lu
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