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Auger Transition from Orbitally Degenerate Systems: Effects of Screening and Multielectron Excitations

Sarma, DD and Mahadevan, Priya (1998) Auger Transition from Orbitally Degenerate Systems: Effects of Screening and Multielectron Excitations. In: Physical Review Letters, 81 (8). pp. 1658-1661.

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Abstract

We calculate Auger spectra given by the two-hole Green’s function from orbitally degenerate Hubbard-like models as a function of correlation strength and band filling. The resulting spectra are qualitatively different from those obtained from fully filled singly degenerate models due to the presence of screening dynamics and multielectron excitations. Application to a real system shows remarkable agreement with experimental results leading to reinterpretation of spectral features.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to APS.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 11 Jan 2007
Last Modified: 19 Sep 2010 04:34
URI: http://eprints.iisc.ernet.in/id/eprint/9463

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