Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/14241
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Título : Symmetry assignment in the distributed Gaussian functions method to study homonuclear rotating trimers
Autor : Márquez-Mijares, Maykel, González Lezana, Tomás, Roncero, Octavio, Miret-Artés, Salvador, Delgado Barrio, Gerardo, Villarreal, Pablo
Fecha de publicación : 20-Jun-2008
Editor: Elsevier
Citación : Chemical Physics Letters 460(4-6): 417-422 (2008)
Resumen: An approximate method based on the use of distributed Gaussian functions (DGF) to describe the interparticle distances is employed to study the rovibrational spectrum of trimers. Rotational energy levels are obtained by assuming that vibration and rotation are separated. Thus, eigenstates of the Hamiltonian for the zero total angular momentum, J = 0, are used as basis set to solve the rotational Hamiltonian. A procedure to identify the corresponding symmetry character for the rovibrational bound states is proposed. The DGF approach is applied to the case of the rotating Ar3 trimer. The reliability of the method is tested by comparison with results from an exact hyperspherical coordinate calculation for J = 0, 1 and 6.
Descripción : 6 pages, 4 tables.-- Printed version published Jul 30, 2008.
Versión del editor: http://dx.doi.org/10.1016/j.cplett.2008.06.052
URI : http://hdl.handle.net/10261/14241
ISSN: 0009-2614
DOI: 10.1016/j.cplett.2008.06.052
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