Quantum path distributions for high-order harmonics in rare gas atoms

Mette Gaarde, Kenneth Schafer

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We present quantum path distributions of high-order harmonics produced by rare gas atoms interacting with an intense 810 nm laser field, obtained by numerical integration of the time-dependent Schrodinger equation within the single active electron approximation. We find that the distributions are sensitive to the atomic potentials, and differ from the distributions predicted by the strong field approximation. We demonstrate that these differences can lead to significant differences in the time-frequency behavior of the harmonics produced in a macroscopic nonlinear medium.
Original languageEnglish
JournalPhysical Review A (Atomic, Molecular and Optical Physics)
Issue number3
Publication statusPublished - 2002

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics


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