Anomalous Local Fermi Liquid in $f^2$-Singlet Configuration: Impurity Model for Heavy-Electron System UPt_3

Satoshi Yotsuhashi, Hiroaki Kusunose, Kazumasa Miyake

It is shown by the Wilson numerical renormalization group method that a strongly correlated impurity with a crystalline-electric-field singlet ground state in the f^2-configuration…