Reference : Dynamics of electron-emission currents in plasmonic gaps induced by strong fields
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/41954
Dynamics of electron-emission currents in plasmonic gaps induced by strong fields
English
Aguirregabiria, Garikoitz []
Marinica, Dana-Codruta []
Ludwig, Markus []
Brida, Daniele mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit]
Leitenstorfer, Alfred []
Aizpurua, Javier []
Borisov, Andrey G. []
2019
FARADAY DISCUSSIONS
ROYAL SOC CHEMISTRY
214
147-157
Yes (verified by ORBilu)
1359-6640
THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS ENGLAND
[en] The dynamics of ultrafast electron currents triggered by femtosecond laser pulse irradiation of narrow gaps in a plasmonic dimer is studied using quantum mechanical Time-Dependent Density Functional Theory (TDDFT). The electrons are injected into the gap due to the optical field emission from the surfaces of the metal nanoparticles across the junction. Further evolution of the electron currents in the gap is governed by the locally enhanced electric fields. The combination of TDDFT and classical modelling of the electron trajectories allows us to study the quiver motion of the electrons in the gap region as a function of the Carrier Envelope Phase (CEP) of the incident pulse. In particular, we demonstrate the role of the quiver motion in establishing the CEP-sensitive net electric transport between nanoparticles.
http://hdl.handle.net/10993/41954
10.1039/c8fd00158h
Article

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