Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 310, Issue 2, Pages 443-445Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2006.10.501
Keywords
Kondo behavior; heavy fermion; photoemission; Anderson model
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The heavy-fermion compounds YbRh2Si2 and YbIr2Si2 were studied by means of angle-resolved photoemission. The observed dispersion and splittings of the 4f(13) bulk and surface emissions are explained in terms of a simplified periodic Anderson model by a k dependence of the electron hopping matrix element between the 4f and valence-band states. (c) 2006 Elsevier B.V. All rights reserved.
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