Periodic anderson model with d-f interaction

Hagymási, Imre and Itai, Kazumasa and Sólyom, Jenő (2012) Periodic anderson model with d-f interaction. ACTA PHYSICA POLONICA A, 121 (5-6). pp. 1070-1072. ISSN 0587-4246

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Abstract

We investigate an extended version of the periodic Anderson model where an interaction is switched on between the doubly occupied d- and f-sites. We perform variational calculations using the Gutzwiller trial wave function. We calculate the f-level occupancy as a function of the f-level energy with different interaction strengths. It is shown that the region of valence transition is sharpened due to the new interaction.

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