Resonant interband scattering of image-potential states

W. Berthold; J. Güdde; P. Feulner; U. Höfer

doi:10.1007/s003400100765

Resonant interband scattering of image-potential states

W. Berthold
, J. Güdde
, P. Feulner
, U. Höfer

Chair of Experimental Physics

Philipps-Universität Marburg

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

Abstract

Image-potential states in front of a clean Cu (100) surface were investigated by time- and angle-resolved two-photon photo-emission (2PPE). We observe a previously unknown quasi-elastic relaxation channel, which efficiently couples states with different quantum numbers, n, and parallel momenta, k_∥. This process of resonant interband scattering (RIS) is independent of sample temperature and shows a close relationship to the pure dephasing of image-potential states.

Original language	English
Pages (from-to)	865-868
Number of pages	4
Journal	Applied Physics B: Lasers and Optics
Volume	73
Issue number	8
DOIs	https://doi.org/10.1007/s003400100765
State	Published - Dec 2001

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title = "Resonant interband scattering of image-potential states",

abstract = "Image-potential states in front of a clean Cu (100) surface were investigated by time- and angle-resolved two-photon photo-emission (2PPE). We observe a previously unknown quasi-elastic relaxation channel, which efficiently couples states with different quantum numbers, n, and parallel momenta, k∥. This process of resonant interband scattering (RIS) is independent of sample temperature and shows a close relationship to the pure dephasing of image-potential states.",

author = "W. Berthold and J. G{\"u}dde and P. Feulner and U. H{\"o}fer",

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AU - Güdde, J.

AU - Feulner, P.

AU - Höfer, U.

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N2 - Image-potential states in front of a clean Cu (100) surface were investigated by time- and angle-resolved two-photon photo-emission (2PPE). We observe a previously unknown quasi-elastic relaxation channel, which efficiently couples states with different quantum numbers, n, and parallel momenta, k∥. This process of resonant interband scattering (RIS) is independent of sample temperature and shows a close relationship to the pure dephasing of image-potential states.

AB - Image-potential states in front of a clean Cu (100) surface were investigated by time- and angle-resolved two-photon photo-emission (2PPE). We observe a previously unknown quasi-elastic relaxation channel, which efficiently couples states with different quantum numbers, n, and parallel momenta, k∥. This process of resonant interband scattering (RIS) is independent of sample temperature and shows a close relationship to the pure dephasing of image-potential states.

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DO - 10.1007/s003400100765

M3 - Article

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JO - Applied Physics B: Lasers and Optics

JF - Applied Physics B: Lasers and Optics

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Resonant interband scattering of image-potential states

Abstract

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