Analysis of the time-domain spectrum of hydrogen in electric field near helium surface
Chinese Optics Letters, Vol. 9, Issue 4, pp. 040202- (2011)
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Abstract
The Ryderberg electronic wave packet dynamics of hydrogen atom near helium surface in an electric field is investigated using the semiclassical method. The autocorrelation function is calculated when the photoionized electron is excited by a short laser pulse for different atom-surface separations. The results show that new recurrences appear because of the helium surface, and the number of recurrent peaks increases with the decrease in atom-surface distance. The new feature is ascribed to the bifurcation of new closed orbits in the classical dynamics of the photoionized electron. Therefore, surface properties have a significant effect on the spectrum of nearby atoms or ions.
© 2011 Chinese Optics Letters
OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.1670) Atomic and molecular physics : Coherent optical effects
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(350.6670) Other areas of optics : Surface photochemistry
Citation
Xiaoqing Gong and Guangcan Yang, "Analysis of the time-domain spectrum of hydrogen in electric field near helium
surface," Chin. Opt. Lett. 9, 040202- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-4-040202
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