Coherent heavy quasiparticles in CePt5 surface alloy

Details Coherent heavy quasiparticles in CePt5 surface alloy Coherent heavy quasiparticles in CePt5 surface alloy

2011-04-12

arxiv.org/abs/1104.2165v1

Phys. Rev. Lett. 106, 186407 (2011)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 4 figures. Accepted for publication in Phys. Rev. Lett

Scientific paper

We report on the results of a high-resolution angle-resolved photoemission
(ARPES) study on the ordered surface alloy CePt5. The temperature dependence of
the spectra show the formation of the coherent low-energy heavy-fermion band
near the Fermi level. This experimental data is supported by a multi-band model
calculation in the framework of the dynamical mean field theory (DMFT).

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