Momentum-resolved lifetimes of image-potential states on Cu(100)

W. Berthold; U. Höfer; P. Feulner; E. V. Chulkov; V. M. Silkin; P. M. Echenique

doi:10.1103/PhysRevLett.88.056805

Momentum-resolved lifetimes of image-potential states on Cu(100)

W. Berthold, U. Höfer, P. Feulner, E. V. Chulkov, V. M. Silkin, P. M. Echenique

Chair of Experimental Physics

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117 Scopus citations

Abstract

An analysis of momentum-resolved lifetimes of image-potential states on Cu(100) was performed. The analysis was performed using time- and angle-resolved two-photon photoemission (2PPE) within the GW approximation. The 60-fs pulses of third harmonic of Ti:sapphire oscillator were used to populate the image-potential states from metal states. It was shown that intraband transitions within the image-state band give contribution to the decrease of lifetime comparable in magnitude with the interband channel.

Original language	English
Article number	056805
Pages (from-to)	568051-568054
Number of pages	4
Journal	Physical Review Letters
Volume	88
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevLett.88.056805
State	Published - 4 Feb 2002

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10.1103/PhysRevLett.88.056805

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abstract = "An analysis of momentum-resolved lifetimes of image-potential states on Cu(100) was performed. The analysis was performed using time- and angle-resolved two-photon photoemission (2PPE) within the GW approximation. The 60-fs pulses of third harmonic of Ti:sapphire oscillator were used to populate the image-potential states from metal states. It was shown that intraband transitions within the image-state band give contribution to the decrease of lifetime comparable in magnitude with the interband channel.",

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AU - Silkin, V. M.

AU - Echenique, P. M.

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AB - An analysis of momentum-resolved lifetimes of image-potential states on Cu(100) was performed. The analysis was performed using time- and angle-resolved two-photon photoemission (2PPE) within the GW approximation. The 60-fs pulses of third harmonic of Ti:sapphire oscillator were used to populate the image-potential states from metal states. It was shown that intraband transitions within the image-state band give contribution to the decrease of lifetime comparable in magnitude with the interband channel.

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Momentum-resolved lifetimes of image-potential states on Cu(100)

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