Статья

Light-Induced Conical Intersections: Topological Phase, Wave Packet Dynamics, and Molecular Alignment

Gábor J. HalászDepartment of Information Technology, University of Debrecen, PO Box 12, H-4010 Debrecen, HungaryMilan ŠindelkaMax-Planck-Institut for the Physics of Complex Systems, Noethnitzer Strasse 38, D-01187, GermanyNimrod MoiseyevSchulich Faculty of Chemistry and Minerva Center of Nonlinear Physics in Complex Systems, Technion—Israel Institute of Technology, Haifa 32000, IsraelLorenz S. CederbaumTheoretische Chemie, Physikalisch-Chemisches Institut, Universität Heidelberg, H-69120, GermanyÁgnes VibókDepartment of Theoretical Physics, University of Debrecen, PO Box 5, H-4010 Debrecen, Hungary

2011en

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Аннотация

In previous publications (J. Phys. B: At., Mol. Opt. Phys.2008, 41, 221001; J. Phys. B: At., Mol. Opt. Phys. 2011, 44, 045603) a novel and physically interesting phenomenon was found in the field of light-matter interactions. It was shown theoretically that exposing a molecule to a laser field can give rise to the appearance of so-called light-induced conical intersections (LICIs). The existence of such LICIs may change significantly the field free physical properties of a molecular system. In this article we review the LICIs in diatomics and provide a new insight to the LICI phenomenon. The sodium dimer is chosen as an explicit sample system. We calculated the Berry phase for a contour that surrounds the point of LICI and found it to be π, which is the same value as for the case of a "natural" CI in triatomic or larger molecules. We also present results to stress the impact of LICIs on molecular wave packet dynamics and molecular alignment in different electronic states.

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Идентификаторы

DOI: 10.1021/jp206860p

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