Please use this identifier to cite or link to this item:
http://hdl.handle.net/2445/192311
Title: | Fall-back time for photo-ionized Cs atoms attached to superfluid He-4 nanodroplets |
Author: | Coppens, Francois von Vangerow, Johannes Leal, Antonio Barranco Gómez, Manuel Halberstadt, Nadine Mudrich, Marcel Pi Pericay, Martí Stienkemeier, Frank |
Keywords: | Dinàmica de fluids Heli Fluid dynamics Helium |
Issue Date: | 1-May-2019 |
Publisher: | Springer Verlag |
Abstract: | We have studied the dynamic evolution of a Cs atom photo-excited from 6s to 6p and 7s states on a helium droplet using time-dependent 4He-DFT simulations. Depending on the excited electronic state, the Cs impurity remains on the droplet surface or it is ejected. Upon subsequent photo-ionization of the excited Cs atom the resulting Cs+ cation may either be ejected or come back to the droplet, depending on the time delay between photo-excitation and photo-ionization. We have calculated the critical time delay separating these two different behaviors, as well as final ion velocities. These observables will be used for future comparison with planned pump-probe experiments. |
Note: | Versió postprint del document publicat a: https://doi.org/10.1140/epjd/e2019-90692-0 |
It is part of: | European Physical Journal D, 2019, vol. 73, num. 5 |
URI: | http://hdl.handle.net/2445/192311 |
Related resource: | https://doi.org/10.1140/epjd/e2019-90692-0 |
ISSN: | 1434-6060 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Nanociència i Nanotecnologia (IN2UB)) |
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693467.pdf | 524.2 kB | Adobe PDF | View/Open |
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