SPECTRAL PROPERTIES OF CONFINED ATOMS

V. K. Dolmatov, J. P. Connerade, A. P. Lakshmi and S. T. Manson
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V. K. Dolmatov: Department of Physics and Astronomy, Georgia State University, Atlanta, Georgia 30303, USA
J. P. Connerade: The Blackett Laboratory, Imperial College, Prince Consort Road, London, SW7 2BW, UK
A. P. Lakshmi: The School of Physics, University of Hyderabad, Hyderabad 500046, India
S. T. Manson: Department of Physics and Astronomy, Georgia State University, Atlanta, Georgia 30303, USA

Surface Review and Letters (SRL), 2002, vol. 09, issue 01, 39-43

Abstract: The changes in energy and photoionization spectra of atoms upon confinement by a spherical environment are explored theoretically. Two kinds of confinement are considered: an endohedral confinement, such as inside the bucky-ballC60, and an impenetrable spherical confinement of adjustable radius. We demonstrate modifications in the energy spectrum and electron correlation effects in confined atoms, the appearance, nature and origin of "confinement" resonances in photoionization spectra of such atoms, as well as new regularities in the periodic table for "compressed" atoms. These findings are of importance for basic and applied physics and chemistry of atoms, molecules, surfaces, etc.

Date: 2002
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DOI: 10.1142/S0218625X02001926

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