Algebraic time-reversal operation

Autor: F. Michelot, Claude Leroy, V. Boujut, Hans-Rudolf Jauslin

Publikováno v: The European Physical Journal D
The European Physical Journal D, EDP Sciences, 1999, 5 (2), pp.257-265. 〈10.1007/s100500050284〉
The European Physical Journal D : Atomic, molecular, optical and plasma physics
The European Physical Journal D : Atomic, molecular, optical and plasma physics, EDP Sciences, 1999, 5 (2), pp.257-265. ⟨10.1007/s100500050284⟩

International audience; We analyze the implementation of the time-reversal (TR) transformation in the algebraic approach to tetrahedral local molecules through the chain of groups U(5) U(4) K(4) = A(4) ^ S(4) S(4) Td. We determine the general form of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ceeaaaaeec79e6e795138f6410f8e053
https://doi.org/10.1007/pl00021594

Symmetrized rovibrational local states for triply degenerate modes of spherical molecules: application to intensity calculations in the upsilon3 ladder

Autor: V. Boujut, Claude Leroy, F. Michelot

Publikováno v: Molecular Physics. 93:887-900

XY6 octahedral molecules, like SF6, WF6 and UF6, reveal a localized behaviour in the excited states of their stretching mode υ3. This character may be described through the G⊃ U(3) ⊃ K 3 ⊃ Oh group chain (Boujut, V., Michelot, F., and Leroy, C

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5bb7e55e881652a7604dc1166eb7f5a4
https://doi.org/10.1080/002689798168583

Algebraic Treatment of a Three-Oscillator System: Applications to Some Molecular Models

Autor: F. Michelot, V. Boujut

Publikováno v: Journal of Molecular Spectroscopy. 184:257-272

A new algebraic treatment of a three-oscillator system, called 3d formalism, is proposed. First, arbitrary tensor operators, expressed in terms of elementary creation and annihilation boson operators, are built within the standard algebraic chain u (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e7491be1332d62c2762ab2d7aac2bfa
https://doi.org/10.1006/jmsp.1997.7317

Unitary Approach to Vibrational Spectra of Tetrahedral Molecules: Generalized Infrared Intensity Model

Autor: Claude Leroy, V. Boujut

Publikováno v: Journal of Molecular Spectroscopy
Journal of Molecular Spectroscopy, Elsevier, 1997, 181 (1), pp.127-135

International audience; In this paper we further extend a previous formalism, the construction of a dipole function adapted to tetrahedral molecules. The extension is based on an algebraic construction of symmetrized tensor operators through unitary

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5efc7e0cc0344ba65193a2096b7400f
https://hal.archives-ouvertes.fr/hal-00449007

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