Journal
PHYSICAL REVIEW LETTERS
Volume 94, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.94.036401
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Using a novel approach to calculate optical properties of strongly correlated systems, we address the old question of the physical origin of the alpha-->gamma transition in Ce. We find that the Kondo collapse model, involving both the f and the spd electrons, describes the optical data better than a Mott transition picture involving the f electrons only. Our results compare well with existing experiments on thin films. We predict the full temperature dependence of the optical spectra and find the development of a hybridization pseudogap in the vicinity of the alpha-->gamma phase transition.
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