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The influence of ion gratings on rotational wavepacket dynamics in H2
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Stavros, Vasilios G. and Leone, Stephen R. (2008) The influence of ion gratings on rotational wavepacket dynamics in H2. Chemical Physics Letters, Vol.452 (No.1-3). pp. 33-37. doi:10.1016/j.cplett.2007.12.034 ISSN 0009-2614.
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Official URL: http://dx.doi.org/10.1016/j.cplett.2007.12.034
Abstract
We generalize earlier work [V.G. Stavros, E. Harel, S.R. Leone, J. Chem. Phys. 122 (2005) 064301] by illustrating the plausible role of ion gratings in time-dependent degenerate four-wave mixing (TD-DFWM) experiments in H2. We postulate that at high laser intensities (1014–1015 W/cm2), /H+ ions generate a static ion grating, it’s signature manifested in the transformation from homodyne- to heterodyne-detection of the TD-DFWM signal, depending on laser intensity. The change in signal detection agrees with the calculated intensity for barrier suppression ionization (BSI) in H2 and the reported onset of saturation for and H+, pointing towards the likely role of ion gratings in intense laser field, FWM experiments.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics Q Science > QD Chemistry |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Library of Congress Subject Headings (LCSH): | Wave packets, Hydrogen, Ion-molecule collisions, Molecular dynamics | ||||
Journal or Publication Title: | Chemical Physics Letters | ||||
Publisher: | Elsevier BV | ||||
ISSN: | 0009-2614 | ||||
Official Date: | 2008 | ||||
Dates: |
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Volume: | Vol.452 | ||||
Number: | No.1-3 | ||||
Page Range: | pp. 33-37 | ||||
DOI: | 10.1016/j.cplett.2007.12.034 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Funder: | United States. Dept. of Energy (DoE) | ||||
Grant number: | DEAC02- 05CH11231 (DoE) |
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