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Phys. Rev. Lett. 84, 5090 - 5093 (2000)

Towards Single-Particle Spectroscopy of Small Metal Clusters

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A. Pohl1, P.-G. Reinhard1, and E. Suraud2
1Institut für Theoretische Physik, Universität Erlangen, Staudtstrasse 7, D-91058 Erlangen, Germany
2Laboratoire de Physique Quantique, Université Paul Sabatier, 118 Route de Narbonne, 31062 Toulouse, cedex, France

Received 3 November 1999

We investigate the kinetic-energy spectra of electrons emitted from a metal cluster following laser excitation. This is done in the framework of a coupled ionic and electronic dynamics. Properly chosen laser parameters, leading to gentle excitations, yield kinetic-energy spectra which nicely resolve the multiphoton processes for each occupied state separately. This gives access to the single-particle energies in clusters, provided one works at sufficiently low temperatures and low electron flow.


©2000 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.84.5090
DOI: 10.1103/PhysRevLett.84.5090
PACS: 36.40.-c, 32.80.Fb, 32.80.Wr, 36.20.Kd

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