Abstract

Multiphoton ionization of the Na2 molecule by a single phase shaped fem- tosecond laser pulse has been theoretically studied using time-dependent quantum wave packet method including the effect of molecular rotation. We analyze the tempo- ral development of the population and further discuss the molecular motion by map- ping the rovibrational wave packet propagation in the excited state. The calculated results show a strong dependence of the kinetic energy-resolved photoelectron spectra on the laser chirp directions and the pulse duration. PACS: 33.80.Rv

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