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Opt Lett. 2006 Jun 15;31(12):1920-2.

Phase-dependent excitation and ionization in the multiphoton ionization regime.

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  • 1Institute of Advanced Energy, Kyoto University, Gokasho, Uji, 611-0011, Japan.


We theoretically study the dependence of atomic excitation and ionization on the carrier envelope phase of few-cycle laser pulses in the multiphoton ionization regime. Our theoretical results for the hydrogen atom based on the solution of the 3D time-dependent Schrödinger equation show that the strong phase dependence can be seen in not only total ionization, but also bound-state population under the weak laser intensity regime.

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