Rescattering effects in the multiphoton regime

Authors

• M. V. Frolov, Voronezh State University, Voronezh, Russia
• A. V. Flegel, Voronezh State University, Voronezh, Russia
• N. L. Manakov, Voronezh State UniversityFollow
• Anthony F. Starace, University of Nebraska-LincolnFollow

Document Type

Article

Date of this Version

12-14-2005

Comments

Published in Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 38, no. 23 (December 14, 2005). pp. L375–L382. Copyright © 2005 IOP Publishing Ltd. Used by permission.

Abstract

LETTER TO THE EDITOR

The plateau features that characterize the low-frequency spectra of fundamental strong-field processes such as harmonic generation, above-threshold ionization and laser-assisted electron-atom scattering are shown to exist also for photon energies E_γ of the order of the energy |E₀| of a bound electron. The existence of these rescattering effects in such a high-frequency (and thus nontunnelling) regime is supported by accurate quantum analyses of intense Ti-Sapphire laser interactions with halogen negative ions, for which E_γ ≈ 0.5|E0|.