Chin. Phys. Lett.  2004, Vol. 21 Issue (5): 836-839    DOI:
Original Articles |
Extracting Closed Classical Orbits from Quantum Recurrence Spectra of a Non-Hydrogenic Atom in Parallel Electric and Magnetic Fields
WANG De-Hua1;LIN Sheng-Lu2
1Department of Mathematics and Physics, Shandong Institute of Architecture and Engineering, Jinan 250014 2Department of Physics, Shandong Normal University, Jinan 250014
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WANG De-Hua, LIN Sheng-Lu 2004 Chin. Phys. Lett. 21 836-839
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Abstract We show how to extract the closed orbits from the quantum spectra data. According to the closed orbit theory, each closed orbit produces a sharp peak in the recurrence spectra of a non-hydrogenic atom in parallel electric and magnetic fields. For a given initial state, closed-orbit theory gives the dependence of this recurrence amplitude on the initial angle of an orbit. By comparing the recurrence amplitude for different initial states, we can determine the initial angles of the closed classical orbits from the quantum recurrence spectra. Therefore, by integrating the Hamiltonian motion equations, we can obtain the closed orbits directly. This method can also be used to extract the closed orbits from the experimental data.

Keywords: 32.70.Cs      03.65.Sq      05.45.Mt     
Published: 01 May 2004
PACS:  32.70.Cs (Oscillator strengths, lifetimes, transition moments)  
  03.65.Sq (Semiclassical theories and applications)  
  05.45.Mt (Quantum chaos; semiclassical methods)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2004/V21/I5/0836
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