Asymptotic Boundary Conditions of One-dimensional Atom for Intense Laser Field

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2003, Vol. 20 ›› Issue (5): 377-380.

Asymptotic Boundary Conditions of One-dimensional Atom for Intense Laser Field

QI Yue-ying¹, LIU Xiao-yan², DING Pei-zhu¹

1. Institute of Atomic and Molecular Physics, Jilin University, Jilin 130023, China;
2. Department of Mathematics, Northeast Normal University, Jilin 130024, China

Received:2002-06-10 Revised:2002-12-31 Online:2003-09-25 Published:2003-09-25

Abstract

Abstract: Asymptotic boundary conditions of one-dimensional atomic model in intense laser field are derived using Fourier transformation.Errors of the three asymptotic boundary conditions are analyzed.The probability distribution and the average energy for one-dimensional hydrogen atom in the intense laser field are numerically computed using the first boundary condition and the symplectic method for the linear inhomogeneous canonical equations.The results are compared with theoretic analyses.

Key words: Fourier transformation, asymptotic boundary condition, intense laser field

CLC Number:

O562

QI Yue-ying, LIU Xiao-yan, DING Pei-zhu. Asymptotic Boundary Conditions of One-dimensional Atom for Intense Laser Field[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2003, 20(5): 377-380.

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Asymptotic Boundary Conditions of One-dimensional Atom for Intense Laser Field

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