Delocalization of a Vacancy across Two Neon Atoms Bound by the van der Waals Force

Abstract

We experimentally study 2p photoionization of neon dimers (Ne_{2}) at a photon energy of hν=36.56 eV. By postselection of ionization events which lead to a dissociation into Ne^{+}+Ne we obtain the photoelectron angular emission distribution in the molecular frame. This distribution is symmetric with respect to the direction of the charged vs neutral fragment. It shows an inverted Cohen-Fano double slit interference pattern of two spherical waves emitted coherently but with opposite phases from the two atoms of the dimer.

Keywords

PhotoionizationAtomic physicsNeonvan der Waals forcePhysicsDelocalized electronIonizationDissociation (chemistry)Excited stateMolecular physicsArgonIonMoleculeChemistryQuantum mechanics

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Publication Info

Year: 2016
Type: article
Volume: 117
Issue: 26
Pages: 263001-263001
Citations: 21
Access: Closed

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APA Style

                            
                                
                                    H. Sann, 
                                
                                    Carl Schober, 
                                
                                    A. Mhamdi
                                
                                et al.
                            
                            (2016). 
                            Delocalization of a Vacancy across Two Neon Atoms Bound by the van der Waals Force. 
                            Physical Review Letters
                            , 117
                            (26)
                            , 263001-263001.
                            https://doi.org/10.1103/physrevlett.117.263001
                        

Identifiers

DOI: 10.1103/physrevlett.117.263001