| Wavepacket Propagation Algorithm with Wavefunction Splitting:Application to Calculate Harmonic Emission of Atom in Intense Laser Pulse |
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| 引用本文： | HU Suxing,XU Zhizhan. Wavepacket Propagation Algorithm with Wavefunction Splitting:Application to Calculate Harmonic Emission of Atom in Intense Laser Pulse[J]. Chinese Journal of Lasers, 1997, 6(2): 147-154 |
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| 作者姓名： | HU Suxing XU Zhizhan |
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| 作者单位： | HU Suxing:Shanghai Institute of Optics & Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
XU Zhizhan:Shanghai Institute of Optics & Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
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| 摘 要： | 1.IntroductionInrecentyears,intenselaserphysicshasbecomeanactivefield[1'2].WiththelaserintensityincreasingmanynewPerformanceshaveemerged,suchasabovethresholdion-ization(ATI)[3J,high-orderopticalharmonicemission[4~6Jandstabilizationofatomsinintenselaserfield[7~9J.Uptodate,thelaserint6nsityoflO"W/cm'hasbeenobtained.ItismuchgreaterthantheIimitationoflO"W/cm'forwhichthePerturbativetheoryisva1id.Therefore,nonperturbativemethodshavebeenemployedtodealwiththeintensefieldphysicalproblems.Generall…
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| 收稿时间： | 1996-06-12 |
Wavepacket Propagation Algorithm with Wavefunction Splitting:Application to Calculate Harmonic Emission of Atom in Intense Laser Pulse |
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| Abstract: | In order to solve the time-dependent Schrodinger equation, we have decribed the wavepacket propagation algorithm with wave function splitting in detail. With this method, much interested information can be got from the evolution of wavepacket.Compared with the general time-consumed two-order differencing method, thewavepacket propagation algorithm can save computation time especially for the case of ultra-intense interaction. As an cxample, the harmonic emission and the multiphoton ionization probability of an atomic helium exposed in an intense laser pulse were calculated. |
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| Keywords: | wavepacket propagation algorithm harmonic emission intense laser field multiphoton ionization |
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