Characterization of induced nanoplasmonic fields in time-resolved photoemission: A classical trajectory approach applied to gold nanospheres

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dc.contributor.author Saydanzad, Erfan
dc.contributor.author Li, Jianxiong
dc.contributor.author Thumm, Uwe
dc.date.accessioned 2020-06-17T23:55:08Z
dc.date.available 2020-06-17T23:55:08Z
dc.date.issued 2017-05-15
dc.identifier.uri https://hdl.handle.net/2097/40726
dc.description.abstract Attosecond time-resolved spectroscopy has been shown to be a powerful method for examining the electronic dynamics in atoms, and this technique is now being transferred to the investigation of elastic and inelastic scattering during electron transport and collective electronic (plasmonic) effects in solids. By sampling over classical photoelectron trajectories, we simulated streaked photoelectron energy spectra as a function of the time delay between ionizing isolated attosecond extreme ultraviolet (XUV) pulses and assisting infrared or visible streaking laser pulses. Our calculations comprise a sequence of four steps: XUV excitation, electron transport in matter, escape from the surface, and propagation to the photoelectron detector. Based on numerical applications to gold nanospheres of 5- and 50-nm radius, we investigate streaked photoemission spectra with regard to (i) the nanoparticle's dielectric response to the electric field of the streaking laser pulse, (ii) relative contributions to photoelectron release from different locations on the surface and inside the nanoparticle, (iii) contributions of photoemission from the Fermi level only versus emission from the entire occupied conduction band, and (iv) their fidelity in imaging the spatiotemporal distribution of the induced plasmonic field near the particle's surface.
dc.relation.uri https://doi.org/10.1103/PhysRevA.95.053406
dc.rights This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).
dc.rights.uri https://rightsstatements.org/page/InC/1.0/?language=en
dc.rights.uri https://journals.aps.org/authors/transfer-of-copyright-agreement
dc.subject Atomic & molecular processes in external fields
dc.subject Dielectric properties
dc.subject Metals
dc.subject Photoemission
dc.title Characterization of induced nanoplasmonic fields in time-resolved photoemission: A classical trajectory approach applied to gold nanospheres
dc.type Text
dc.date.published 2017
dc.citation.doi 10.1103/PhysRevA.95.053406
dc.citation.epage 053406-12
dc.citation.issn 2469-9934
dc.citation.issue 5
dc.citation.jtitle Physical Review A
dc.citation.spage 053406-1
dc.citation.volume 95
dc.description.version Article: Version of Record (VoR)


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This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). Except where otherwise noted, the use of this item is bound by the following: This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).

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