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@article{Kolorenc:2016:8/082001,
author = {Kolorenc, P and Averbukh, V and Feifel, R and Eland, J},
doi = {8/082001},
journal = {Journal of Physics B-Atomic Molecular and Optical Physics},
title = {Collective relaxation processes in atoms, molecules and clusters},
url = {http://dx.doi.org/10.1088/0953-4075/49/8/082001},
volume = {49},
year = {2016}
}

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TY  - JOUR
AB  - Electron correlation is an essential driver of a variety of relaxation processes in excited atomic and molecular systems. These are phenomena which often lead to autoionization typically involving two-electron transitions, such as the well-known Auger effect. However, electron correlation can give rise also to higher-order processes characterized by multi-electron transitions. Basic examples include simultaneous two-electron emission upon recombination of an inner-shell vacancy (double Auger decay) or collective decay of two holes with emission of a single electron. First reports of this class of processes date back to the 1960s, but their investigation intensified only recently with the advent of free-electron lasers. High fluxes of high-energy photons induce multiple excitation or ionization of a system on the femtosecond timescale and under such conditions the importance of multi-electron processes increases significantly. We present an overview of experimental and theoretical works on selected multi-electron relaxation phenomena in systems of different complexity, going from double Auger decay in atoms and small molecules to collective interatomic autoionization processes in nanoscale samples.
AU  - Kolorenc,P
AU  - Averbukh,V
AU  - Feifel,R
AU  - Eland,J
DO  - 8/082001
PY  - 2016///
SN  - 1361-6455
TI  - Collective relaxation processes in atoms, molecules and clusters
T2  - Journal of Physics B-Atomic Molecular and Optical Physics
UR  - http://dx.doi.org/10.1088/0953-4075/49/8/082001
UR  - http://hdl.handle.net/10044/1/32482
VL  - 49
ER  -

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