Valence Fluctuations in the Extended Periodic Anderson Model at Finite Temperatures
Kojima, Yuhei · Koga, Akihisa
Original · EN
We study valence fluctuation at finite temperatures in the periodic Anderson model with the Coulomb interaction between f and conduction electons, combining dynamical mean-field theory with the non-crossing approximation. It is found that a large Coulomb repulsion induces a first-order valence transition. The finite temperature phase diagram is determined.
English translation
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