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Influence of intermediate states on photoelectron spectra

A Pohl1, P-G Reinhard1 and E Suraud2

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We investigate the information contained in the photoelectron spectra (PES) of electrons emitted from an atom, molecule, or cluster under the influence of a laser pulse. Basic patterns are evaluated in a simple potential well model. The results are corroborated by realistic applications to the cluster Na9+ calculated within a time-dependent density functional formalism. The final PES are composed from an interplay between features of the laser pulse and spectral properties of the emitting system. We discuss the mutual influences and the possibilities for disentangling the various effects.


PACS

32.80.Fb Photoionization of atoms and ions

33.60.+q Photoelectron spectra

36.40.Mr Spectroscopy and geometrical structure of clusters

36.40.Wa Charged clusters

31.15.E- Density-functional theory

Subjects

Atomic and molecular physics

Computational physics

Dates

Issue 24 (28 December 2001)

Received 21 June 2001, in final form 10 October 2001

Published 10 December 2001



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