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Acta Physica Sinica (Overseas Edition), 1998, Vol. 7(9): 670-680    DOI: 10.1088/1004-423X/7/9/005
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

DETERMINATION OF FLOQUET STATES AND QUASI-ENERGY BY CORRELATION FUNCTION

Xie Bai-song (谢柏松)a, Chen Shi-gang (陈式刚)b
a Institute of Low Energy Nuclear Physics, Beijing Normal University, Beijing 100875, China; Center for Nonlinear Studies, Institute of Applied Physics and Computational Mathematics, Beijing 100088, China
Abstract  The Floquet spectrum generated by the use of time correlation function has been developed to extract the Floquet functions with Fourier transform method for wave function at integral multiples of optical period. The quasi-energy position and ionization width of those Floquet states have also been determined by least-squares fit method. Numerical calculation shows that the Fourier transform method is powerful and the resultant Floquet functions are in excellent agreement with that obtained by orthogonality projection method developed in our previous work.
Received:  04 January 1998      Revised:  03 April 1998      Accepted manuscript online: 
PACS:  32.80.Fb (Photoionization of atoms and ions)  
  02.70.Rr (General statistical methods)  
  02.30.Nw (Fourier analysis)  
  02.30.Uu (Integral transforms)  
  02.60.Cb (Numerical simulation; solution of equations)  
Fund: Project supported by the National Natural Science Foundation of China under the Grant No. 19675006, the National High Technology Committee of Laser under the Grant No. 410-95.5, and partly the Science Foundation of China Academy of Engineering Physics und

Cite this article: 

Xie Bai-song (谢柏松), Chen Shi-gang (陈式刚) DETERMINATION OF FLOQUET STATES AND QUASI-ENERGY BY CORRELATION FUNCTION 1998 Acta Physica Sinica (Overseas Edition) 7 670

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