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Phys. Rev. A 71, 012712 (2005) [13 pages]

Correlated multielectron systems in strong laser fields: A multiconfiguration time-dependent Hartree-Fock approach

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J. Caillat1, J. Zanghellini1,2, M. Kitzler1,2, O. Koch3, W. Kreuzer3, and A. Scrinzi1 *
1Photonics Institute, Vienna University of Technology Gusshausstrasse 27∕387, A-1040 Vienna, Austria
2Center of Photonics Research, University of Ottawa, 150 Louis Pasteur Street, Ottawa, ON, KIN 6N5 Canada
3Institute for Analysis and Scientific Computing, Vienna University of Technology, Wiedner Hauptstrasse 8-10, A-1040 Vienna, Austria

Received 14 September 2004; published 21 January 2005

The multiconfiguration time-dependent Hartree-Fock approach for the description of correlated few-electron dynamics in the presence of strong laser fields is introduced and a comprehensive description of the method is given. Total ionization and electron spectra for the ground and first excited ionic channels are calculated for one-dimensional model systems with up to six active electrons. Strong correlation effects are found in the shape of photoelectron peaks and the dependence of ionization on molecule size.


©2005 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.71.012712
DOI: 10.1103/PhysRevA.71.012712
PACS: 32.80.Fb, 32.80.Hd

* Electronic address: scrinzi@tuwien.ac.at

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