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Published on: July 27, 2018
Signature of Attochemical Quantum Interference upon Ionization and Excitation of an Electronic Wave Packet in
Anthony Ferté1, Dane Austin2, Allan S Johnson2
1<a href="https://ror.org/03gnr7b55">Nantes Université</a>, CNRS, CEISAM, UMR 6230, F-44000 Nantes, France.
Abstract:
Ultrashort pulses can excite or ionize molecules and populate coherent electronic wave packets, inducing complex dynamics. In this Letter, we simulate the coupled electron-nuclear dynamics upon ionization to different electronic wave packets of (deuterated) benzene and fluoro-benzene molecules, quantum mechanically and in full dimensionality. In fluoro-benzene, the calculations unravel both interstate and intrastate quantum interferences that leave clear signatures of attochemistry and charge-directed dynamics in the shape of the autocorrelation function. The latter are in agreement with experimental high-harmonic spectroscopy measurements of benzenes and fluoro-benzene.
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