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Electron pair escape from fullerene cage via collective modes

Schüler M., Pavlyukh P., Bolognesi P., Avaldi L., and Berakdar J.

Sci.Rep. 6, pp 24396 (2016)

Experiment and theory evidence a new pathway for correlated two-electron release from many-body compounds following collective excitation by a single photon. Using nonequilibrium Green?s function approach we trace plasmon oscillations as the key ingredient of the effective electron-electron interaction that governs the correlated pair emission in a dynamic many-body environment. Results from a full ab initio implementation for C60 fullerene are in line with experimental observations. The findings endorse the correlated two-electron photoemission as a powerful tool to access electronic correlation in complex systems.

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