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Electronic spectroscopy of small organic and organometallic molecules : electronic correlation, vibronic and spin-orbit couplingsNdoye, Chérif A. A. Daniel, Chantal. Strich, Alain. January 2009 (has links) (PDF)
Thèse de doctorat : Chimie. Chimie informatique et théorique : Strasbourg 1 : 2008. / Thèse soutenue sur un ensemble de travaux. Titre provenant de l'écran-titre. Bibliogr. 6 p.
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Beiträge zur Malthus-LiteraturGuhrauer, Alice, January 1917 (has links)
Inaug.-Diss.--Erlangen. / Lebenslauf. Bibliography: p. [3]-4.
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Kritische Betrachtung des Oppenheimerschen TransformationsgesetzesLessacher, Eva 10 October 2013 (has links) (PDF)
Gemäß dem Wirken von Franz Oppenheimer ist ein Forschungspapier entstanden, das an der Schnittstelle von Soziologie, Genossenschafts- und Politikwissenschaft angesiedelt ist. / Series: Research Reports / RICC
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Intramolecular vibrations and electronically nonadiabatic dynamics in photodissociation reactions /Forde, Nancy Roberta. January 1999 (has links)
Thesis (Ph. D.)--University of Chicago, Dept. of Chemistry, August 1999. / Includes bibliographical references. Also available on the Internet.
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Jud Süss : Aufstieg und Fall im frühen 18. Jahrhundert : ein Beitrag zur historischen Antisemitismus- und Rezeptionsforschung /Gerber, Barbara. January 1990 (has links)
Diss.--Hamburg--Universität. / Bibliogr. p. 590-750. Index.
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Soziologie und Gegenwartskrise : die Zeitdiagnosen Franz Oppenheimers und Alfred Webers /Kruse, Volker. January 1900 (has links)
Diss.--Bielefeld--Universität, 1987.
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On the separation of nuclear and electronic motions in molecular scattering statesGerber, R. B. January 1968 (has links)
No description available.
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Born-Oppenheimer Expansion for Diatomic Molecules with Large Angular MomentumHughes, Sharon Marie 14 November 2007 (has links)
Semiclassical and Born-Oppenheimer approximations are used to provide uniform error bounds for the energies of diatomic molecules for bounded vibrational quantum number n and large angular momentum quantum number l. Specifically, results are given when (l + 1) < κ𝛜⁻³/². Explicit formulas for the approximate energies are also given. Numerical comparisons for the H+₂ and HD+ molecules are presented. / Ph. D.
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The Born-Oppenheimer Approximation for Triatomic Molecules with Large Angular Momentum in Two DimensionsBowman, Adam Shoresworth 12 January 2011 (has links)
We study the Born-Oppenheimer approximation for a symmetric linear triatomic molecule in two space dimensions. We compute energy levels up to errors of order ε⁵, uniformly for three bounded vibrational quantum numbers n₁, n₂, and n₃; and nuclear angular momentum quantum numbers â ≤ kε<sup>-3/4</sup> for k > 0. Here the small parameter ε is the fourth root of the ratio of the electron mass to an average nuclear mass. / Master of Science
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Estados ligados de um sistema quântico de três de corpos em duas dimensões na aproximação Born-Oppenheimer /Rosa, Derick dos Santos. January 2016 (has links)
Orientador: Marcelo Yamashita / Resumo: Nesta dissertação vamos estudar um problema de três corpos via aproximação de Born-Oppenheimer em duas dimensões para um sistema constituído de duas partículas pesadas e uma leve. Considerando uma interação de contato entre a partícula leve e as pesadas e desconsiderando a interação entre as pesadas, estudamos o efeito do momento angular e da diferença de massa entre as partículas. Notamos que diminuindo a diferença de massa entre as partículas encontramos um número menor de estados ligados. Conforme aumentamos o momento angular observamos um número menor de estados ligados, isto porque o momento angular soma ao sistema um potencial repulsivo, tornando o sistema mais fracamente ligado. Considerando um potencial gaussiano entre as partículas pesadas calculamos a energia de três corpos e o raio quadrático médio. Observamos que a introdução deste potencial torna possível o rompimento do sistema de três corpos e o fenômeno de tunelamento. Estudando o raio quadrático médio percebemos que a região de tunelamento o tamanho do sistema varia consideravelmente, tornando esta região interessante de ser detectada experimentalmente / Abstract: In this thesis we study mass-imbalanced three-body system in two dimensions using BornOppenheimer approximation. Considering the heavy-light particle system interacting through zero-range interaction and disregarding interaction between the heavy-heavy, we study effects the angular momentum and mass ratio difference. Decreasing the mass difference between the heavy and the light particles a smaller number of bound states is found. Increasing the angular momentum we add to the system a repulsive potential, making the system weakly bounded, in this case a small number of bound states are expected. Considering a gaussian potential between the heavy-heavy particles it is possible to unbounded the system and observe tunneling phenomena. The considerable change in the tunneling region for the mean square radii indicates an increase in the system size, making this region interesting to be experimentally detected. / Mestre
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