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dc.creatorHougen, Jon T.en_US
dc.date.accessioned2012-07-09T19:44:55Z
dc.date.available2012-07-09T19:44:55Z
dc.date.issued2012en_US
dc.identifier2012-FE-02en_US
dc.identifier.urihttp://hdl.handle.net/1811/52558
dc.descriptionAuthor Institution: Sensor Sciences Division, National Institute of Standards and Technology, Gaithersburg, MD 20899-8441, USAen_US
dc.description.abstractIn this talk we revisit, with pedagogical emphasis for high-resolution spectroscopists, some presently existing discussions of phase factors for fixed-nuclei electronic wavefunctions in the Jahn-Teller problem. We give explicit examples, for a symmetric pyramidal NH$_3$-like molecular shape, of perfectly reasonable variants of such electronic wavefunctions that do not transform into their negatives upon going once around the conical intersection (i.e., that do not exhibit a Berry phase change of -1), as well as an example calculation for the pseudo-rotational energy levels and wavefunctions near the bottom of a deep Jahn-Teller moat that does not make use of half-integral quantum numbers and that does not require abandoning ordinary C$_{3v}$ point group theory. Some cautionary remarks on drawing inappropriate conclusions from overly hasty Berry phase arguments will also be presented.en_US
dc.language.isoenen_US
dc.publisherOhio State Universityen_US
dc.titleREMARKS ON THE PHASE CHANGE OF THE ELECTRONIC WAVE FUNCTION UPON GOING ONCE AROUND A JAHN-TELLER CONICAL INTERSECTION IN VIBRATIONAL COORDINATE SPACEen_US
dc.typeArticleen_US
dc.typeImageen_US
dc.typePresentationen_US


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