A measurement of the evolution of Interatomic Coulombic Decay in the time domain

Abstract

During the last 15 years a novel decay mechanism of excited atoms has been discovered and investigated. This so called ''Interatomic Coulombic Decay'' (ICD) involves the chemical environment of the electronically excited atom: the excitation energy is transferred (in many cases over long distances) to a neighbor of the initially excited particle usually ionizing that neighbor. It turned out that ICD is a very common decay route in nature as it occurs across van-der-Waals and hydrogen bonds. The time evolution of ICD is predicted to be highly complex, as its efficiency strongly depends on the distance of the atoms involved and this distance typically changes during the decay. Here we present the first direct measurement of the temporal evolution of ICD using a novel experimental approach.

6 pages, 4 figures, submitted to PRL

References in corpus (4)

• Time-Resolved Measurement of Interatomic Coulombic Decay in Ne_2
• Interatomic Coulombic Decay following Photoionization of the Helium Dimer: Observation of Vibrational Structure
• Tracing ultrafast interatomic electronic decay processes in real time and space
• Theoretical description of field-assisted post-collision interaction in Auger decay of atoms

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• Post-collision interaction in the liquid phase: the role of electron scattering