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Proceedings Paper

Femtosecond dynamics of electron-vibrational heating and bond breaking
Author(s): Shiwu Gao; Wilson Ho
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Paper Abstract

This paper reviews our understanding on the dynamics of vibrational heating and bond- breaking within a universal electronic mechanism, i.e. the multiple scattering mechanism induced by hot-electrons generated by femtosecond laser pulses. A few theoretical approaches, based on the reduced density matrix and a resonance model of electron-molecule coupling, are briefly sketched and discussed, and qualitative features of vibrational heating and bond- breaking are emphasized. Two illustrative examples of vibrational heating of CO stretch on Cu and O2 desorption from Pt(111) demonstrate that the dynamics of electronic and vibrational heating can be partly revealed by the yield and final state distribution analysis.

Paper Details

Date Published: 25 September 1995
PDF: 12 pages
Proc. SPIE 2547, Laser Techniques for Surface Science II, (25 September 1995); doi: 10.1117/12.221506
Show Author Affiliations
Shiwu Gao, Chalmers Univ. of Technology and Goteborg Univ. (Sweden)
Wilson Ho, Cornell Univ. (United States)

Published in SPIE Proceedings Vol. 2547:
Laser Techniques for Surface Science II
Janice M. Hicks; Wilson Ho; Hai-Lung Dai, Editor(s)

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