Phys. Rev. Lett. 84, 5090–5093 (2000)Towards Single-Particle Spectroscopy of Small Metal ClustersReceived 3 November 1999; published in the issue dated 29 May 2000 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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