Coherent heavy quasiparticles in a CePt5 surface alloy

Coherent heavy quasiparticles in a CePt5 surface alloy

We report on the results of a high-resolution angle-resolved photoemission study on the ordered surface alloy CePt(5). The temperature dependence of the spectra show the formation of the coherent low-energy heavy-fermion band near the Fermi level. These experimental data are supported by a multiband...

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Bibliographic Details
Published in:Physical review letters Vol. 106; no. 18; p. 186407
Main Authors: Klein, M, Nuber, A, Schwab, H, Albers, C, Tobita, N, Higashiguchi, M, Jiang, J, Fukuda, S, Tanaka, K, Shimada, K, Mulazzi, M, Assaad, F F, Reinert, F
Format: Journal Article
Language:English
Published: United States 06-05-2011
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Summary:We report on the results of a high-resolution angle-resolved photoemission study on the ordered surface alloy CePt(5). The temperature dependence of the spectra show the formation of the coherent low-energy heavy-fermion band near the Fermi level. These experimental data are supported by a multiband model calculation in the framework of the dynamical mean-field theory.
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ISSN:1079-7114
DOI:10.1103/PhysRevLett.106.186407