Strong-field effects of the one-dimensional hydrogen atom in momentum space

Ue Li Pen*, Tsin-Fu Jiang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


The time evolution of the ground state of a one-dimensional hydrogen atom in the intense laser pulse is studied directly in momentum space. A finite matrix representation of operators is developed to solve nonperturbatively the time-dependent Schrödinger equation. We find that some numerical limitations in coordinate space of above-threshold ionization (ATI) can be overcome, and clear physical interpretations of the numerical data are possible. Both the ATI and harmonic-generation spectra are obtained. The correlations between these two multiphoton phenomena are discussed.

Original languageEnglish
Pages (from-to)4297-4305
Number of pages9
JournalPhysical Review A
Issue number7
StatePublished - 1 Jan 1992

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