Imaging Excited-State Dynamics of Doped He Nanodroplets in Real-Time
作者： Johannes von Vangerow , François Coppens , Antonio Leal , Martí Pi , Manuel Barranco
DOI: 10.1021/ACS.JPCLETT.6B02598
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摘要: The real-time dynamics of excited alkali metal atoms (Rb) attached to quantum fluid He nanodroplets is investigated using femtosecond imaging spectroscopy and time-dependent density functional theory. We disentangle the competing desorption Rb off droplet surface solvation inside interior as atom ionized. For 5p 6p states, occurs on starkly differing time scales (∼100 versus ∼1 ps, respectively). comparison between theory experiment indicates that proceeds either impulsively (6p) or in a transition regime impulsive dissociation complex (5p).
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