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TT: Tiefe Temperaturen
TT 7: Korrelierte Elektronen: Schwere Fermionen
TT 7.4: Talk
Monday, March 8, 2004, 15:15–15:30, H19
Heavy fermion properties in filled skutterudites — •Tanja Westerkamp and Gertrud Zwicknagl — Institut für Mathematische Physik, TU Braunschweig, Mendelssohnstr.3, 38106 Braunschweig
We calculate the temperature-dependence of the effective mass of the heavy quasiparticles in the filled skutterudites. The latter is assumed to arise from the low lying Γ1− Γ5 exitations in the CEF level scheme suggested by Aoki et al.[1] and Tayama et al.[2].
In addition, we discuss the behavior of the quadropole susceptibility.
[1] Y.Aoki, T.Namiki, S.Ohsaki, S.R.Saha, H.Sugawara, H.Sato 2002 cond-mat/0206193
[2] T.Tayama, T.Sakakibara, H.Sugawara, Y.Aoki, and H.Sato 2003 cond-mat/0303542
15:30 Pause