Quadrupolar effect and rattling motion in heavy fermion superconductor PrOs_4Sb_{12}

Terutaka Goto, Yuichi Nemoto, Kazuhiro Sakai +7

The elastic properties of a filled skutterudite PrOs_4Sb_{12} with a heavy Fermion superconductivity at T_C=1.85 K have been investigated. The elastic softening of (C_{11}-C_{12})/…