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arXiv · 0809.2819

Photoelectron spectra in strong-field ionization by a high frequency field

Denys I. Bondar·Michael Spanner·Wing-Ki Liu·Gennady L. Yudin
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Abstract

We analyze atomic photoelectron momentum distributions induced by bichromatic and monochromatic laser fields within the strong field approximation (SFA), separable Coulomb-Volkov approximation (SCVA), and ab initio treatment. We focus on the high frequency regime -- the smallest frequency used is larger than the ionization potential of the atom. We observe a remarkable agreement between the ab initio and velocity gauge SFA results while the velocity gauge SCVA fails to agree. Reasons of such a failure are discussed.

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Denys I. Bondar, Michael Spanner, Wing-Ki Liu, Gennady L. Yudin. 2009-06-10. Photoelectron spectra in strong-field ionization by a high frequency field. https://doi.org/10.1103/physreva.79.063404

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