Volume 72, Number 4, November 2005
|Page(s)||555 - 561|
|Section||Atomic and molecular physics|
|Published online||14 October 2005|
Rotation-vibration mixing of heteronuclear dimers in strong electric fields
Departamento de Física Moderna and Instituto “Carlos I” de Física Teórica y Computacional, Universidad de Granada - E-18071 Granada, Spain
2 Theoretische Chemie, Physikalisch-Chemisches Institut - Im Neuenheimer Feld 229 D-69120 Heidelberg, Germany
3 Physikalisches Institut, Universität Heidelberg - Philosophenweg 12 D-69120 Heidelberg, Germany
Accepted: 20 September 2005
We investigate the evolution of the rovibrational spectrum of heteronuclear diatomic molecules exposed to a strong static electric field. The field induces avoided crossings causing a strong mixing of the electrically dressed rovibrational states. At the avoided crossing the molecular configuration is a strongly distorted and asymmetric one showing well-pronounced localization effects of the corresponding probability densities. The potential impact of our findings on the state-selective chemical reaction dynamics is discussed.
PACS: 33.20.-t – Molecular spectra / 33.55.Be – Zeeman and Stark effects / 33.20.Vq – Vibration-rotation analysis
© EDP Sciences, 2005
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