Journal
JOURNAL OF PHYSICAL CHEMISTRY A
Volume 116, Issue 11, Pages 2636-2643Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp206860p
Keywords
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Funding
- TAMOP [4.2.1./B-09/1/KONV-2010-0007]
- Deutsche Forschungsgemeinschaft [CE10/50-1]
- Israel Science Foundation
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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 pi, which is the same value as for the case of a natural Cl 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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