Abstract The interference between two dissociating wave packets of the I2 molecule driven by femtosecond laser pulses is theoretically studied by using the time-dependent quantum wave packet method. Both the internuclear distance- and velocity-dependent density functions are calculated and discussed. It is demonstrated that the interference pattern is determined by the phase difference and the delay time between two pump pulses. With two identical pulses with a delay time of 305 fs and a FWHM of 20 fs, more interference fringes can be observed, while with two pump pulses with a delay time of 80 fs and a FWHM of 20 fs, only a few interference fringes can be observed.
Received: 13 August 2008
Revised: 02 March 2009
Accepted manuscript online:
Fund: Project supported by the National
Natural Science Foundation of China (Grant Nos 10674022 and
20633070).
Cite this article:
Han Yong-Chang(韩永昌), Hu Wen-Hui(胡文辉), Yu Jie(于杰),andCong Shu-Lin(丛书林) Interference of dissociating wave packets in the I2 molecule driven by femtosecond laser pulses 2009 Chin. Phys. B 18 4834
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