Scientific article

Thermoelectrical power of heavy fermion compounds

Published inPhysica. B, Condensed matter, vol. 378-380, p. 644-647
Publication date2006

The pressure-induced changes of the thermoelectrical power of CeRu2Ge2CeRu2Ge2 can be well described within the single-impurity Anderson model. In this model, the experimental values of the crystal-field splittings of the 4f ground state are taken into account and it is assumed that the strong Coulomb repulsion restricts the number of 4f electrons. The calculated temperature dependence of the thermopower S(T)S(T) for different hybridisation strengths and temperatures above 10 K can reproduce S(T)S(T) of CeRu2Ge2CeRu2Ge2 at different pressures. This shows, that the main characteristic features observed in other Ce- and Yb-based intermetallic systems as they are tuned, either by pressure or chemical substitution, from the magnetic to the intermediate valence regime can be explained in terms of the crossover between various fixed points of the model.

  • CeRu2Ge2
  • Thermoelectrical power
  • Theory
Citation (ISO format)
WILHELM, Heribert, ZLATIC, V., JACCARD, Didier. Thermoelectrical power of heavy fermion compounds. In: Physica. B, Condensed matter, 2006, vol. 378-380, p. 644–647. doi: 10.1016/j.physb.2006.01.184
Main files (1)
Article (Published version)
ISSN of the journal0921-4526

Technical informations

Creation04/15/2014 11:33:00 AM
First validation04/15/2014 11:33:00 AM
Update time03/14/2023 9:08:01 PM
Status update03/14/2023 9:08:01 PM
Last indexation01/16/2024 9:43:44 AM
All rights reserved by Archive ouverte UNIGE and the University of GenevaunigeBlack