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Phys. Rev. Lett. 75, 2819–2822 (1995)

Role of Electron Localization in Intense-Field Molecular Ionization

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Tamar Seideman, M. Yu. Ivanov, and P. B. Corkum
Steacie Institute, National Research Council, Ottawa, Ontario, Canada K1A 0R6

Received 17 January 1995; published in the issue dated 9 October 1995

The rate of nonlinear ionization is strongly enhanced as a molecule is stretched beyond its equilibrium internuclear separation, reaching a peak rate that is many orders of magnitude greater than that at either small or large distances. The enhancement results from nonadiabatic electron localization near the nuclei and its presence is insensitive to the laser frequency and intensity. Most intense-field dissociative ionization experiments are influenced by this effect.

© 1995 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.75.2819
DOI:
10.1103/PhysRevLett.75.2819
PACS:
33.80.Rv, 82.50.Fv