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Atmospheric water droplets can catalyse atom pair break-up via surface-induced resonance repulsion

Boström, Mathias; Persson, Clas; Parsons, Drew; Ellingsen, Simen A.; Sernelius, B

Description

We present the theory for a retarded resonance interaction between two identical atoms near a dielectric surface. In free space the resonance interaction between isotropically excited atom pairs is attractive at all atom-atom separations. We illustrate numerically how this interaction between oxygen, sulphur, hydrogen, or nitrogen atom pairs may turn repulsive near water droplets. The results provide evidence of a mechanism causing excited state atom pair breakage to occur in the atmosphere...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
URI: http://hdl.handle.net/1885/71593
Source: Europhysics Letters
DOI: 10.1209/0295-5075/101/43002

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