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Título: | Non-adiabatic dynamics with conditional wave functions |
Autor: | Albareda, Guillermo; Appel, H.; Franco, Ignacio; Abedi, Ali CSIC ORCID; Rubio, Angel CSIC ORCID | Fecha de publicación: | 2014 | Citación: | 6th Time-Dependent Density Functional Theory: Prospects and Applications (2014) | Resumen: | By projecting the Schrödinger equation on the actual configuration of an infinite set of electronic trajectories, an ensemble of conditional equations of motion for the nuclei is obtained. These equations do not rely on any tracing-out of degrees of freedom and their propagation does not require a prior knowledge of the involved potential-energy surfaces. Using an exact factorization of the full molecular wave function, we establish a formal connection with the recently proposed exact potential energy surfaces. This connection is used to gain insight from a simplified propagation scheme, which is demonstrated to capture non-adiabatic dynamics accurately in the limit of weak nuclear splitting. For pronounced branchings, we show how this simple algorithm partially captures dynamical steps between adiabatic surfaces. | Descripción: | Trabajo presentado al 6th Time-Dependent Density Functional Theory: Prospects and Applications, celebrado en Benasque (España) del 4 al 18 de Enero de 2014. | Versión del editor: | http://benasque.org/2014tddft/ | URI: | http://hdl.handle.net/10261/103726 |
Aparece en las colecciones: | (CFM) Comunicaciones congresos |
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Non-Adiabatic Dynamics.pdf | 1,36 MB | Adobe PDF | Visualizar/Abrir |
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