Research Papers in Physics and Astronomy

 

Date of this Version

8-31-2010

Comments

Published in PHYSICAL REVIEW A 82, 023424 (2010); DOI: 10.1103/PhysRevA.82.023424 Copyright © 2010 The American Physical Society. Used by permission.

Abstract

The experimental finding of significant enhancement or suppression of particular harmonics generated by the ionic component of laser-produced plasmas of transition-metal atoms is explained theoretically in terms of the standard three-step scenario for strong-field harmonic generation, taking into account the potential barrier effects that lead to a strong 3p → 3d electric dipole transition that dominates the photoionization cross sections of the outer subshells of those ions.

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