Signatures of random matrix theory in the discrete energy spectra of subnanosize metallic clusters

L. L A Adams; B. W. Lang; Yu Chen; A. M. Goldman

doi:10.1103/PhysRevB.75.205107

Signatures of random matrix theory in the discrete energy spectra of subnanosize metallic clusters

L. L A Adams, B. W. Lang, Yu Chen, A. M. Goldman

Physics and Astronomy (Twin Cities)

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Abstract

Lead clusters deposited on Si(111) substrates have been studied at low temperatures using scanning tunneling microscopy and spectroscopy. The current-voltage characteristics exhibit current peaks that are irregularly spaced and varied in height. The statistics of the distribution of peak heights and spacings are in agreement with random matrix theory for several clusters. The distributions have also been studied as a function of cluster shape.

Original language	English (US)
Article number	205107
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	75
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevB.75.205107
State	Published - May 11 2007

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abstract = "Lead clusters deposited on Si(111) substrates have been studied at low temperatures using scanning tunneling microscopy and spectroscopy. The current-voltage characteristics exhibit current peaks that are irregularly spaced and varied in height. The statistics of the distribution of peak heights and spacings are in agreement with random matrix theory for several clusters. The distributions have also been studied as a function of cluster shape.",

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Signatures of random matrix theory in the discrete energy spectra of subnanosize metallic clusters

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