Collective Interatomic Decay of Multiple Vacancies in Clusters
Averbukh V. and Kolorenč P.
We predict that inner-shell ionization of more than one atom (or molecule) in a cluster, e.g., by intense free-electron laser radiation, can lead to an interatomic decay process in which the formed vacancy states decay simultaneously, while a neighboring neutral species is ionized. This collective decay phenomenon can be regarded as a transfer of two or more virtual photons from the ionized cluster units to a neutral one. Simulations of collective decay in (4(s)(-1), 4(s)(-1)) (Kr(+))(2)Ar show that the two-virtual-photon process can be competitive with the dissociative nuclear dynamics of the doubly ionized cluster. Generality of the collective interatomic decay is discussed.
type: | article |
journal: | Phys. Rev. Lett. |
volume: | 103 |
pages: | 183001 |
year: | 2009 |
month: | 10 |
link: |
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.103.183001
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grants: | Dynamics of non-radiative inter-atomic decay processes in clusters; 2009-2011; hlavní řešitel: Přemysl KolorenčFyzikální studium objektů a procesů ve sluneční soustavě a v astro-fyzikálních systémech, výzkumný záměr MSM0021620860; 2007-2013; hlavní řešitel: Jiří Bičák |