Observation and Control of Laser-Enabled Auger Decay

D. Iablonskyi , K. Ueda , Kenichi L. Ishikawa , A. S. Kheifets , P. Carpeggiani , M. Reduzzi , H. Ahmadi , A. Comby

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G. Sansone T. Csizmadia S. Kuehn E. Ovcharenko T. Mazza M. Meyer A. Fischer C. Callegari O. Plekan P. Finetti E. Allaria E. Ferrari E. Roussel D. Gauthier L. Giannessi K. C. Prince

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classification ⚛️ physics.atom-ph

keywords laseraugercorrelationdecayobservationspleadangularbeen

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Single photon laser enabled Auger decay (spLEAD) has been redicted theoretically [Phys. Rev. Lett. 111, 083004 (2013)] and here we report its first experimental observation in neon. Using coherent, bichromatic free-electron laser pulses, we have detected the process and coherently controlled the angular distribution of the emitted electrons by varying the phase difference between the two laser fields. Since spLEAD is highly sensitive to electron correlation, this is a promising method for probing both correlation and ultrafast hole migration in more complex systems.

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Observation and Control of Laser-Enabled Auger Decay

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