Journal article
Propagation effect in atom excitation by ultrashort and intense laser pulses
Physical Review A - Atomic, Molecular, and Optical Physics, Vol.69(2)
2004
Abstract
We study hydrogenlike target excitation by a traveling electromagnetic pulse. The spatial size of the pulse l=cτ (c is the speed of light and τ is the pulse duration) is assumed to be comparable or less than the characteristic size of the initially occupied atomic state. When propagating through the atom, the pulse is shown to transform the electron wave function “slice by slice.” These transformations lead to electron transitions between states with Δm=±1 which are forbidden in the dipole approximation. The case of linear polarization is considered. It is found that magnetic-level excitation probabilities are small for the hydrogen atom, but can be more significant for the hydrogenlike multicharged ions.
Details
- Title
- Propagation effect in atom excitation by ultrashort and intense laser pulses
- Authors/Creators
- A. Lugovskoy (Author/Creator) - Murdoch UniversityI. Bray (Author/Creator) - Murdoch University
- Publication Details
- Physical Review A - Atomic, Molecular, and Optical Physics, Vol.69(2)
- Publisher
- The American Physical Society
- Identifiers
- 991005540594407891
- Murdoch Affiliation
- School of Engineering Science
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 5 Physics
- 5.107 Laser Science
- 5.107.475 High-Order Harmonic Generation
- Web Of Science research areas
- Optics
- Physics, Atomic, Molecular & Chemical
- ESI research areas
- Physics