Rotational dephasing of symmetric top molecules: Analytic expressions and applications

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DOIResolve DOI: http://doi.org/10.1016/j.cplett.2011.10.046
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TypeArticle
Journal titleChemical Physics Letters
ISSN0009-2614
Volume517
Issue4-Jun
Pages237241; # of pages: 5
SubjectAnalytic expressions; Dephasing; Numeric simulation; Photoelectron angular distributions; Quantum-mechanical treatments; Room temperature; Rotational temperature; Short laser pulse; Symmetric top; Time-resolved photoelectron spectroscopy; Vibrational dynamics; Angular distribution; Photoelectron spectroscopy; Photons; Quantum theory; Anisotropy
AbstractAn analytic expression for the rotational dephasing of an ensemble of symmetric top molecules excited by a short laser pulse is developed. This expression can be used to discern rotation from electronic and vibrational dynamics in polarization resolved studies and is computationally less demanding than numeric simulations used previously. The result agrees well with quantum mechanical treatment, both at room temperature and at cold rotational temperatures found in molecular beams. Applications to transient anisotropy and photoelectron angular distributions are given. Finally, we raise the possibility of combining transient anisotropy techniques with time-resolved photoelectron spectroscopy. © 2011 Elsevier B.V. All rights reserved.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Steacie Institute for Molecular Sciences (SIMS-ISSM)
Peer reviewedYes
NPARC number21271072
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Record identifiera04df95a-2858-45fe-a7b3-0fc1ca4c755b
Record created2014-03-24
Record modified2016-05-09
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